From 9e86918ec99d8ca39e25f6eb03477161656f61c4 Mon Sep 17 00:00:00 2001
From: Henrique Ferrolho <henriqueferrolho@gmail.com>
Date: Sat, 17 Mar 2018 14:57:47 +0000
Subject: [PATCH] Kudos now working over https via
 https://github.com/nielsole/kudos

---
 Gemfile.lock          |    4 +-
 _includes/footer.html |    2 +-
 _layouts/default.html |    7 +-
 index.html            |    4 +-
 js/bundle.js          | 7124 +++++++++++++++++++++--------------------
 js/kudosplease-min.js |    1 +
 package.json          |    2 +-
 7 files changed, 3715 insertions(+), 3429 deletions(-)
 create mode 100644 js/kudosplease-min.js

diff --git a/Gemfile.lock b/Gemfile.lock
index 42f938b..3f671fd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,7 +42,7 @@ DEPENDENCIES
   minima
 
 RUBY VERSION
-   ruby 2.3.1p112
+   ruby 2.5.0p0
 
 BUNDLED WITH
-   1.13.1
+   1.16.1
diff --git a/_includes/footer.html b/_includes/footer.html
index 2757e6a..d426ae4 100644
--- a/_includes/footer.html
+++ b/_includes/footer.html
@@ -9,7 +9,7 @@ <h2 class="footer-heading">{{ site.title | escape }}</h2>
         <ul class="contact-list">
           <li>
             {% if site.author %}
-              © 2016 {{ site.author | escape }}
+              © {{ 'now' | date: "%Y" }} {{ site.author | escape }}
             {% else %}
               {{ site.title | escape }}
             {% endif %}
diff --git a/_layouts/default.html b/_layouts/default.html
index 84c82c0..c554150 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -24,14 +24,15 @@
 	<!-- clipboard.js -->
 	<script src="{{ site.baseurl }}/js/clipboard.min.js"></script>
 
+	<!-- kudosplease-min.js -->
+	<script src="{{ site.baseurl }}/js/kudosplease-min.js"></script>
+
 	<!-- Include the latest version of WebTorrent -->
 	<script src="https://cdn.jsdelivr.net/webtorrent/latest/webtorrent.min.js"></script>
 
+	<!-- `browserify main.js -o bundle.js` -->
 	<script src="{{ site.baseurl }}/js/bundle.js"></script>
 
-	<!-- kudosplease-min.js -->
-	<script src="https://rawgit.com/TimPietrusky/KudosPlease/master/js/kudosplease-min.js"></script>
-
 </body>
 
 </html>
diff --git a/index.html b/index.html
index 341f848..a0787d3 100644
--- a/index.html
+++ b/index.html
@@ -70,8 +70,8 @@ <h4>Sure! Try <em>copy-pasting</em> this https url of a torrent to the input box
 
 <pre>https://webtorrent.io/torrents/sintel.torrent</pre>
 
-<!-- <blockquote>
+<blockquote>
 	<p>How can I say thanks?</p>
 </blockquote>
 
-<div class="kudos" data-amount="0" data-url="https://ferrolho.github.io{{ site.baseurl }}"></div> -->
+<div class="kudos" data-amount="0" data-url="https://ferrolho.github.io{{ site.baseurl }}"></div>
diff --git a/js/bundle.js b/js/bundle.js
index 2affa22..ef094a6 100644
--- a/js/bundle.js
+++ b/js/bundle.js
@@ -1,4 +1,4 @@
-(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+(function(){function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}return e})()({1:[function(require,module,exports){
 require('./webtorrent.js');
 
 var clipboard = new Clipboard('#share-url-btn');
@@ -7,11 +7,11 @@ clipboard.on('success', function (e) {
 	e.clearSelection();
 });
 
-$(window).bind("resize", function() {
+$(window).bind("resize", function () {
 	fitMagnetInput();
 });
 
-$(document).ready(function() {
+$(document).ready(function () {
 	$('#share-url').val(window.location.href);
 	$('[data-toggle="tooltip"]').tooltip();
 	$('#share-url-btn').mouseleave(function () {
@@ -19,6 +19,17 @@ $(document).ready(function() {
 	});
 
 	fitMagnetInput();
+
+	new KudosPlease({
+		el: '.kudos',
+		duration: 1500,
+		persistent: true,
+		status: {
+			alpha: 'fontelico-emo-shoot',
+			beta: 'fontelico-emo-shoot',
+			gamma: 'fontelico-emo-beer'
+		}
+	});
 });
 
 function fitMagnetInput() {
@@ -160,4239 +171,4512 @@ function onTorrent(torrent) {
 }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
 },{"moment":3,"pretty-bytes":4}],3:[function(require,module,exports){
 //! moment.js
-//! version : 2.15.0
-//! authors : Tim Wood, Iskren Chernev, Moment.js contributors
-//! license : MIT
-//! momentjs.com
 
 ;(function (global, factory) {
     typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
     typeof define === 'function' && define.amd ? define(factory) :
     global.moment = factory()
-}(this, function () { 'use strict';
+}(this, (function () { 'use strict';
 
-    var hookCallback;
+var hookCallback;
 
-    function utils_hooks__hooks () {
-        return hookCallback.apply(null, arguments);
-    }
+function hooks () {
+    return hookCallback.apply(null, arguments);
+}
 
-    // This is done to register the method called with moment()
-    // without creating circular dependencies.
-    function setHookCallback (callback) {
-        hookCallback = callback;
-    }
+// This is done to register the method called with moment()
+// without creating circular dependencies.
+function setHookCallback (callback) {
+    hookCallback = callback;
+}
 
-    function isArray(input) {
-        return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]';
-    }
+function isArray(input) {
+    return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]';
+}
 
-    function isObject(input) {
-        // IE8 will treat undefined and null as object if it wasn't for
-        // input != null
-        return input != null && Object.prototype.toString.call(input) === '[object Object]';
-    }
+function isObject(input) {
+    // IE8 will treat undefined and null as object if it wasn't for
+    // input != null
+    return input != null && Object.prototype.toString.call(input) === '[object Object]';
+}
 
-    function isObjectEmpty(obj) {
+function isObjectEmpty(obj) {
+    if (Object.getOwnPropertyNames) {
+        return (Object.getOwnPropertyNames(obj).length === 0);
+    } else {
         var k;
         for (k in obj) {
-            // even if its not own property I'd still call it non-empty
-            return false;
+            if (obj.hasOwnProperty(k)) {
+                return false;
+            }
         }
         return true;
     }
+}
 
-    function isDate(input) {
-        return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]';
-    }
+function isUndefined(input) {
+    return input === void 0;
+}
 
-    function map(arr, fn) {
-        var res = [], i;
-        for (i = 0; i < arr.length; ++i) {
-            res.push(fn(arr[i], i));
-        }
-        return res;
-    }
+function isNumber(input) {
+    return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]';
+}
 
-    function hasOwnProp(a, b) {
-        return Object.prototype.hasOwnProperty.call(a, b);
-    }
+function isDate(input) {
+    return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]';
+}
 
-    function extend(a, b) {
-        for (var i in b) {
-            if (hasOwnProp(b, i)) {
-                a[i] = b[i];
-            }
-        }
+function map(arr, fn) {
+    var res = [], i;
+    for (i = 0; i < arr.length; ++i) {
+        res.push(fn(arr[i], i));
+    }
+    return res;
+}
 
-        if (hasOwnProp(b, 'toString')) {
-            a.toString = b.toString;
-        }
+function hasOwnProp(a, b) {
+    return Object.prototype.hasOwnProperty.call(a, b);
+}
 
-        if (hasOwnProp(b, 'valueOf')) {
-            a.valueOf = b.valueOf;
+function extend(a, b) {
+    for (var i in b) {
+        if (hasOwnProp(b, i)) {
+            a[i] = b[i];
         }
-
-        return a;
     }
 
-    function create_utc__createUTC (input, format, locale, strict) {
-        return createLocalOrUTC(input, format, locale, strict, true).utc();
-    }
-
-    function defaultParsingFlags() {
-        // We need to deep clone this object.
-        return {
-            empty           : false,
-            unusedTokens    : [],
-            unusedInput     : [],
-            overflow        : -2,
-            charsLeftOver   : 0,
-            nullInput       : false,
-            invalidMonth    : null,
-            invalidFormat   : false,
-            userInvalidated : false,
-            iso             : false,
-            parsedDateParts : [],
-            meridiem        : null
-        };
+    if (hasOwnProp(b, 'toString')) {
+        a.toString = b.toString;
     }
 
-    function getParsingFlags(m) {
-        if (m._pf == null) {
-            m._pf = defaultParsingFlags();
-        }
-        return m._pf;
+    if (hasOwnProp(b, 'valueOf')) {
+        a.valueOf = b.valueOf;
     }
 
-    var some;
-    if (Array.prototype.some) {
-        some = Array.prototype.some;
-    } else {
-        some = function (fun) {
-            var t = Object(this);
-            var len = t.length >>> 0;
+    return a;
+}
 
-            for (var i = 0; i < len; i++) {
-                if (i in t && fun.call(this, t[i], i, t)) {
-                    return true;
-                }
-            }
+function createUTC (input, format, locale, strict) {
+    return createLocalOrUTC(input, format, locale, strict, true).utc();
+}
 
-            return false;
-        };
-    }
+function defaultParsingFlags() {
+    // We need to deep clone this object.
+    return {
+        empty           : false,
+        unusedTokens    : [],
+        unusedInput     : [],
+        overflow        : -2,
+        charsLeftOver   : 0,
+        nullInput       : false,
+        invalidMonth    : null,
+        invalidFormat   : false,
+        userInvalidated : false,
+        iso             : false,
+        parsedDateParts : [],
+        meridiem        : null,
+        rfc2822         : false,
+        weekdayMismatch : false
+    };
+}
 
-    function valid__isValid(m) {
-        if (m._isValid == null) {
-            var flags = getParsingFlags(m);
-            var parsedParts = some.call(flags.parsedDateParts, function (i) {
-                return i != null;
-            });
-            var isNowValid = !isNaN(m._d.getTime()) &&
-                flags.overflow < 0 &&
-                !flags.empty &&
-                !flags.invalidMonth &&
-                !flags.invalidWeekday &&
-                !flags.nullInput &&
-                !flags.invalidFormat &&
-                !flags.userInvalidated &&
-                (!flags.meridiem || (flags.meridiem && parsedParts));
-
-            if (m._strict) {
-                isNowValid = isNowValid &&
-                    flags.charsLeftOver === 0 &&
-                    flags.unusedTokens.length === 0 &&
-                    flags.bigHour === undefined;
-            }
+function getParsingFlags(m) {
+    if (m._pf == null) {
+        m._pf = defaultParsingFlags();
+    }
+    return m._pf;
+}
 
-            if (Object.isFrozen == null || !Object.isFrozen(m)) {
-                m._isValid = isNowValid;
-            }
-            else {
-                return isNowValid;
+var some;
+if (Array.prototype.some) {
+    some = Array.prototype.some;
+} else {
+    some = function (fun) {
+        var t = Object(this);
+        var len = t.length >>> 0;
+
+        for (var i = 0; i < len; i++) {
+            if (i in t && fun.call(this, t[i], i, t)) {
+                return true;
             }
         }
-        return m._isValid;
-    }
 
-    function valid__createInvalid (flags) {
-        var m = create_utc__createUTC(NaN);
-        if (flags != null) {
-            extend(getParsingFlags(m), flags);
+        return false;
+    };
+}
+
+function isValid(m) {
+    if (m._isValid == null) {
+        var flags = getParsingFlags(m);
+        var parsedParts = some.call(flags.parsedDateParts, function (i) {
+            return i != null;
+        });
+        var isNowValid = !isNaN(m._d.getTime()) &&
+            flags.overflow < 0 &&
+            !flags.empty &&
+            !flags.invalidMonth &&
+            !flags.invalidWeekday &&
+            !flags.weekdayMismatch &&
+            !flags.nullInput &&
+            !flags.invalidFormat &&
+            !flags.userInvalidated &&
+            (!flags.meridiem || (flags.meridiem && parsedParts));
+
+        if (m._strict) {
+            isNowValid = isNowValid &&
+                flags.charsLeftOver === 0 &&
+                flags.unusedTokens.length === 0 &&
+                flags.bigHour === undefined;
+        }
+
+        if (Object.isFrozen == null || !Object.isFrozen(m)) {
+            m._isValid = isNowValid;
         }
         else {
-            getParsingFlags(m).userInvalidated = true;
+            return isNowValid;
         }
-
-        return m;
     }
+    return m._isValid;
+}
 
-    function isUndefined(input) {
-        return input === void 0;
+function createInvalid (flags) {
+    var m = createUTC(NaN);
+    if (flags != null) {
+        extend(getParsingFlags(m), flags);
+    }
+    else {
+        getParsingFlags(m).userInvalidated = true;
     }
 
-    // Plugins that add properties should also add the key here (null value),
-    // so we can properly clone ourselves.
-    var momentProperties = utils_hooks__hooks.momentProperties = [];
+    return m;
+}
 
-    function copyConfig(to, from) {
-        var i, prop, val;
+// Plugins that add properties should also add the key here (null value),
+// so we can properly clone ourselves.
+var momentProperties = hooks.momentProperties = [];
 
-        if (!isUndefined(from._isAMomentObject)) {
-            to._isAMomentObject = from._isAMomentObject;
-        }
-        if (!isUndefined(from._i)) {
-            to._i = from._i;
-        }
-        if (!isUndefined(from._f)) {
-            to._f = from._f;
-        }
-        if (!isUndefined(from._l)) {
-            to._l = from._l;
-        }
-        if (!isUndefined(from._strict)) {
-            to._strict = from._strict;
-        }
-        if (!isUndefined(from._tzm)) {
-            to._tzm = from._tzm;
-        }
-        if (!isUndefined(from._isUTC)) {
-            to._isUTC = from._isUTC;
-        }
-        if (!isUndefined(from._offset)) {
-            to._offset = from._offset;
-        }
-        if (!isUndefined(from._pf)) {
-            to._pf = getParsingFlags(from);
-        }
-        if (!isUndefined(from._locale)) {
-            to._locale = from._locale;
-        }
+function copyConfig(to, from) {
+    var i, prop, val;
 
-        if (momentProperties.length > 0) {
-            for (i in momentProperties) {
-                prop = momentProperties[i];
-                val = from[prop];
-                if (!isUndefined(val)) {
-                    to[prop] = val;
-                }
+    if (!isUndefined(from._isAMomentObject)) {
+        to._isAMomentObject = from._isAMomentObject;
+    }
+    if (!isUndefined(from._i)) {
+        to._i = from._i;
+    }
+    if (!isUndefined(from._f)) {
+        to._f = from._f;
+    }
+    if (!isUndefined(from._l)) {
+        to._l = from._l;
+    }
+    if (!isUndefined(from._strict)) {
+        to._strict = from._strict;
+    }
+    if (!isUndefined(from._tzm)) {
+        to._tzm = from._tzm;
+    }
+    if (!isUndefined(from._isUTC)) {
+        to._isUTC = from._isUTC;
+    }
+    if (!isUndefined(from._offset)) {
+        to._offset = from._offset;
+    }
+    if (!isUndefined(from._pf)) {
+        to._pf = getParsingFlags(from);
+    }
+    if (!isUndefined(from._locale)) {
+        to._locale = from._locale;
+    }
+
+    if (momentProperties.length > 0) {
+        for (i = 0; i < momentProperties.length; i++) {
+            prop = momentProperties[i];
+            val = from[prop];
+            if (!isUndefined(val)) {
+                to[prop] = val;
             }
         }
-
-        return to;
     }
 
-    var updateInProgress = false;
+    return to;
+}
 
-    // Moment prototype object
-    function Moment(config) {
-        copyConfig(this, config);
-        this._d = new Date(config._d != null ? config._d.getTime() : NaN);
-        // Prevent infinite loop in case updateOffset creates new moment
-        // objects.
-        if (updateInProgress === false) {
-            updateInProgress = true;
-            utils_hooks__hooks.updateOffset(this);
-            updateInProgress = false;
-        }
-    }
+var updateInProgress = false;
 
-    function isMoment (obj) {
-        return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);
+// Moment prototype object
+function Moment(config) {
+    copyConfig(this, config);
+    this._d = new Date(config._d != null ? config._d.getTime() : NaN);
+    if (!this.isValid()) {
+        this._d = new Date(NaN);
     }
-
-    function absFloor (number) {
-        if (number < 0) {
-            // -0 -> 0
-            return Math.ceil(number) || 0;
-        } else {
-            return Math.floor(number);
-        }
+    // Prevent infinite loop in case updateOffset creates new moment
+    // objects.
+    if (updateInProgress === false) {
+        updateInProgress = true;
+        hooks.updateOffset(this);
+        updateInProgress = false;
     }
+}
 
-    function toInt(argumentForCoercion) {
-        var coercedNumber = +argumentForCoercion,
-            value = 0;
-
-        if (coercedNumber !== 0 && isFinite(coercedNumber)) {
-            value = absFloor(coercedNumber);
-        }
+function isMoment (obj) {
+    return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);
+}
 
-        return value;
+function absFloor (number) {
+    if (number < 0) {
+        // -0 -> 0
+        return Math.ceil(number) || 0;
+    } else {
+        return Math.floor(number);
     }
+}
 
-    // compare two arrays, return the number of differences
-    function compareArrays(array1, array2, dontConvert) {
-        var len = Math.min(array1.length, array2.length),
-            lengthDiff = Math.abs(array1.length - array2.length),
-            diffs = 0,
-            i;
-        for (i = 0; i < len; i++) {
-            if ((dontConvert && array1[i] !== array2[i]) ||
-                (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {
-                diffs++;
-            }
-        }
-        return diffs + lengthDiff;
+function toInt(argumentForCoercion) {
+    var coercedNumber = +argumentForCoercion,
+        value = 0;
+
+    if (coercedNumber !== 0 && isFinite(coercedNumber)) {
+        value = absFloor(coercedNumber);
     }
 
-    function warn(msg) {
-        if (utils_hooks__hooks.suppressDeprecationWarnings === false &&
-                (typeof console !==  'undefined') && console.warn) {
-            console.warn('Deprecation warning: ' + msg);
+    return value;
+}
+
+// compare two arrays, return the number of differences
+function compareArrays(array1, array2, dontConvert) {
+    var len = Math.min(array1.length, array2.length),
+        lengthDiff = Math.abs(array1.length - array2.length),
+        diffs = 0,
+        i;
+    for (i = 0; i < len; i++) {
+        if ((dontConvert && array1[i] !== array2[i]) ||
+            (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {
+            diffs++;
         }
     }
+    return diffs + lengthDiff;
+}
 
-    function deprecate(msg, fn) {
-        var firstTime = true;
+function warn(msg) {
+    if (hooks.suppressDeprecationWarnings === false &&
+            (typeof console !==  'undefined') && console.warn) {
+        console.warn('Deprecation warning: ' + msg);
+    }
+}
 
-        return extend(function () {
-            if (utils_hooks__hooks.deprecationHandler != null) {
-                utils_hooks__hooks.deprecationHandler(null, msg);
-            }
-            if (firstTime) {
-                var args = [];
-                var arg;
-                for (var i = 0; i < arguments.length; i++) {
-                    arg = '';
-                    if (typeof arguments[i] === 'object') {
-                        arg += '\n[' + i + '] ';
-                        for (var key in arguments[0]) {
-                            arg += key + ': ' + arguments[0][key] + ', ';
-                        }
-                        arg = arg.slice(0, -2); // Remove trailing comma and space
-                    } else {
-                        arg = arguments[i];
+function deprecate(msg, fn) {
+    var firstTime = true;
+
+    return extend(function () {
+        if (hooks.deprecationHandler != null) {
+            hooks.deprecationHandler(null, msg);
+        }
+        if (firstTime) {
+            var args = [];
+            var arg;
+            for (var i = 0; i < arguments.length; i++) {
+                arg = '';
+                if (typeof arguments[i] === 'object') {
+                    arg += '\n[' + i + '] ';
+                    for (var key in arguments[0]) {
+                        arg += key + ': ' + arguments[0][key] + ', ';
                     }
-                    args.push(arg);
+                    arg = arg.slice(0, -2); // Remove trailing comma and space
+                } else {
+                    arg = arguments[i];
                 }
-                warn(msg + '\nArguments: ' + Array.prototype.slice.call(args).join('') + '\n' + (new Error()).stack);
-                firstTime = false;
+                args.push(arg);
             }
-            return fn.apply(this, arguments);
-        }, fn);
-    }
+            warn(msg + '\nArguments: ' + Array.prototype.slice.call(args).join('') + '\n' + (new Error()).stack);
+            firstTime = false;
+        }
+        return fn.apply(this, arguments);
+    }, fn);
+}
 
-    var deprecations = {};
+var deprecations = {};
 
-    function deprecateSimple(name, msg) {
-        if (utils_hooks__hooks.deprecationHandler != null) {
-            utils_hooks__hooks.deprecationHandler(name, msg);
-        }
-        if (!deprecations[name]) {
-            warn(msg);
-            deprecations[name] = true;
-        }
+function deprecateSimple(name, msg) {
+    if (hooks.deprecationHandler != null) {
+        hooks.deprecationHandler(name, msg);
+    }
+    if (!deprecations[name]) {
+        warn(msg);
+        deprecations[name] = true;
     }
+}
+
+hooks.suppressDeprecationWarnings = false;
+hooks.deprecationHandler = null;
 
-    utils_hooks__hooks.suppressDeprecationWarnings = false;
-    utils_hooks__hooks.deprecationHandler = null;
+function isFunction(input) {
+    return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]';
+}
 
-    function isFunction(input) {
-        return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]';
+function set (config) {
+    var prop, i;
+    for (i in config) {
+        prop = config[i];
+        if (isFunction(prop)) {
+            this[i] = prop;
+        } else {
+            this['_' + i] = prop;
+        }
     }
+    this._config = config;
+    // Lenient ordinal parsing accepts just a number in addition to
+    // number + (possibly) stuff coming from _dayOfMonthOrdinalParse.
+    // TODO: Remove "ordinalParse" fallback in next major release.
+    this._dayOfMonthOrdinalParseLenient = new RegExp(
+        (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +
+            '|' + (/\d{1,2}/).source);
+}
 
-    function locale_set__set (config) {
-        var prop, i;
-        for (i in config) {
-            prop = config[i];
-            if (isFunction(prop)) {
-                this[i] = prop;
+function mergeConfigs(parentConfig, childConfig) {
+    var res = extend({}, parentConfig), prop;
+    for (prop in childConfig) {
+        if (hasOwnProp(childConfig, prop)) {
+            if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {
+                res[prop] = {};
+                extend(res[prop], parentConfig[prop]);
+                extend(res[prop], childConfig[prop]);
+            } else if (childConfig[prop] != null) {
+                res[prop] = childConfig[prop];
             } else {
-                this['_' + i] = prop;
-            }
-        }
-        this._config = config;
-        // Lenient ordinal parsing accepts just a number in addition to
-        // number + (possibly) stuff coming from _ordinalParseLenient.
-        this._ordinalParseLenient = new RegExp(this._ordinalParse.source + '|' + (/\d{1,2}/).source);
-    }
-
-    function mergeConfigs(parentConfig, childConfig) {
-        var res = extend({}, parentConfig), prop;
-        for (prop in childConfig) {
-            if (hasOwnProp(childConfig, prop)) {
-                if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {
-                    res[prop] = {};
-                    extend(res[prop], parentConfig[prop]);
-                    extend(res[prop], childConfig[prop]);
-                } else if (childConfig[prop] != null) {
-                    res[prop] = childConfig[prop];
-                } else {
-                    delete res[prop];
-                }
+                delete res[prop];
             }
         }
-        for (prop in parentConfig) {
-            if (hasOwnProp(parentConfig, prop) &&
-                    !hasOwnProp(childConfig, prop) &&
-                    isObject(parentConfig[prop])) {
-                // make sure changes to properties don't modify parent config
-                res[prop] = extend({}, res[prop]);
-            }
+    }
+    for (prop in parentConfig) {
+        if (hasOwnProp(parentConfig, prop) &&
+                !hasOwnProp(childConfig, prop) &&
+                isObject(parentConfig[prop])) {
+            // make sure changes to properties don't modify parent config
+            res[prop] = extend({}, res[prop]);
         }
-        return res;
     }
+    return res;
+}
 
-    function Locale(config) {
-        if (config != null) {
-            this.set(config);
-        }
+function Locale(config) {
+    if (config != null) {
+        this.set(config);
     }
+}
 
-    var keys;
+var keys;
 
-    if (Object.keys) {
-        keys = Object.keys;
-    } else {
-        keys = function (obj) {
-            var i, res = [];
-            for (i in obj) {
-                if (hasOwnProp(obj, i)) {
-                    res.push(i);
-                }
+if (Object.keys) {
+    keys = Object.keys;
+} else {
+    keys = function (obj) {
+        var i, res = [];
+        for (i in obj) {
+            if (hasOwnProp(obj, i)) {
+                res.push(i);
             }
-            return res;
-        };
-    }
-
-    var defaultCalendar = {
-        sameDay : '[Today at] LT',
-        nextDay : '[Tomorrow at] LT',
-        nextWeek : 'dddd [at] LT',
-        lastDay : '[Yesterday at] LT',
-        lastWeek : '[Last] dddd [at] LT',
-        sameElse : 'L'
+        }
+        return res;
     };
+}
 
-    function locale_calendar__calendar (key, mom, now) {
-        var output = this._calendar[key] || this._calendar['sameElse'];
-        return isFunction(output) ? output.call(mom, now) : output;
-    }
-
-    var defaultLongDateFormat = {
-        LTS  : 'h:mm:ss A',
-        LT   : 'h:mm A',
-        L    : 'MM/DD/YYYY',
-        LL   : 'MMMM D, YYYY',
-        LLL  : 'MMMM D, YYYY h:mm A',
-        LLLL : 'dddd, MMMM D, YYYY h:mm A'
-    };
+var defaultCalendar = {
+    sameDay : '[Today at] LT',
+    nextDay : '[Tomorrow at] LT',
+    nextWeek : 'dddd [at] LT',
+    lastDay : '[Yesterday at] LT',
+    lastWeek : '[Last] dddd [at] LT',
+    sameElse : 'L'
+};
 
-    function longDateFormat (key) {
-        var format = this._longDateFormat[key],
-            formatUpper = this._longDateFormat[key.toUpperCase()];
+function calendar (key, mom, now) {
+    var output = this._calendar[key] || this._calendar['sameElse'];
+    return isFunction(output) ? output.call(mom, now) : output;
+}
 
-        if (format || !formatUpper) {
-            return format;
-        }
+var defaultLongDateFormat = {
+    LTS  : 'h:mm:ss A',
+    LT   : 'h:mm A',
+    L    : 'MM/DD/YYYY',
+    LL   : 'MMMM D, YYYY',
+    LLL  : 'MMMM D, YYYY h:mm A',
+    LLLL : 'dddd, MMMM D, YYYY h:mm A'
+};
 
-        this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) {
-            return val.slice(1);
-        });
+function longDateFormat (key) {
+    var format = this._longDateFormat[key],
+        formatUpper = this._longDateFormat[key.toUpperCase()];
 
-        return this._longDateFormat[key];
+    if (format || !formatUpper) {
+        return format;
     }
 
-    var defaultInvalidDate = 'Invalid date';
+    this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) {
+        return val.slice(1);
+    });
 
-    function invalidDate () {
-        return this._invalidDate;
-    }
+    return this._longDateFormat[key];
+}
 
-    var defaultOrdinal = '%d';
-    var defaultOrdinalParse = /\d{1,2}/;
+var defaultInvalidDate = 'Invalid date';
 
-    function ordinal (number) {
-        return this._ordinal.replace('%d', number);
-    }
+function invalidDate () {
+    return this._invalidDate;
+}
 
-    var defaultRelativeTime = {
-        future : 'in %s',
-        past   : '%s ago',
-        s  : 'a few seconds',
-        m  : 'a minute',
-        mm : '%d minutes',
-        h  : 'an hour',
-        hh : '%d hours',
-        d  : 'a day',
-        dd : '%d days',
-        M  : 'a month',
-        MM : '%d months',
-        y  : 'a year',
-        yy : '%d years'
-    };
+var defaultOrdinal = '%d';
+var defaultDayOfMonthOrdinalParse = /\d{1,2}/;
 
-    function relative__relativeTime (number, withoutSuffix, string, isFuture) {
-        var output = this._relativeTime[string];
-        return (isFunction(output)) ?
-            output(number, withoutSuffix, string, isFuture) :
-            output.replace(/%d/i, number);
-    }
+function ordinal (number) {
+    return this._ordinal.replace('%d', number);
+}
 
-    function pastFuture (diff, output) {
-        var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
-        return isFunction(format) ? format(output) : format.replace(/%s/i, output);
-    }
+var defaultRelativeTime = {
+    future : 'in %s',
+    past   : '%s ago',
+    s  : 'a few seconds',
+    ss : '%d seconds',
+    m  : 'a minute',
+    mm : '%d minutes',
+    h  : 'an hour',
+    hh : '%d hours',
+    d  : 'a day',
+    dd : '%d days',
+    M  : 'a month',
+    MM : '%d months',
+    y  : 'a year',
+    yy : '%d years'
+};
 
-    var aliases = {};
+function relativeTime (number, withoutSuffix, string, isFuture) {
+    var output = this._relativeTime[string];
+    return (isFunction(output)) ?
+        output(number, withoutSuffix, string, isFuture) :
+        output.replace(/%d/i, number);
+}
 
-    function addUnitAlias (unit, shorthand) {
-        var lowerCase = unit.toLowerCase();
-        aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;
-    }
+function pastFuture (diff, output) {
+    var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
+    return isFunction(format) ? format(output) : format.replace(/%s/i, output);
+}
 
-    function normalizeUnits(units) {
-        return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined;
-    }
+var aliases = {};
 
-    function normalizeObjectUnits(inputObject) {
-        var normalizedInput = {},
-            normalizedProp,
-            prop;
+function addUnitAlias (unit, shorthand) {
+    var lowerCase = unit.toLowerCase();
+    aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;
+}
 
-        for (prop in inputObject) {
-            if (hasOwnProp(inputObject, prop)) {
-                normalizedProp = normalizeUnits(prop);
-                if (normalizedProp) {
-                    normalizedInput[normalizedProp] = inputObject[prop];
-                }
+function normalizeUnits(units) {
+    return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined;
+}
+
+function normalizeObjectUnits(inputObject) {
+    var normalizedInput = {},
+        normalizedProp,
+        prop;
+
+    for (prop in inputObject) {
+        if (hasOwnProp(inputObject, prop)) {
+            normalizedProp = normalizeUnits(prop);
+            if (normalizedProp) {
+                normalizedInput[normalizedProp] = inputObject[prop];
             }
         }
-
-        return normalizedInput;
     }
 
-    var priorities = {};
+    return normalizedInput;
+}
 
-    function addUnitPriority(unit, priority) {
-        priorities[unit] = priority;
-    }
+var priorities = {};
 
-    function getPrioritizedUnits(unitsObj) {
-        var units = [];
-        for (var u in unitsObj) {
-            units.push({unit: u, priority: priorities[u]});
-        }
-        units.sort(function (a, b) {
-            return a.priority - b.priority;
-        });
-        return units;
-    }
+function addUnitPriority(unit, priority) {
+    priorities[unit] = priority;
+}
 
-    function makeGetSet (unit, keepTime) {
-        return function (value) {
-            if (value != null) {
-                get_set__set(this, unit, value);
-                utils_hooks__hooks.updateOffset(this, keepTime);
-                return this;
-            } else {
-                return get_set__get(this, unit);
-            }
-        };
+function getPrioritizedUnits(unitsObj) {
+    var units = [];
+    for (var u in unitsObj) {
+        units.push({unit: u, priority: priorities[u]});
     }
+    units.sort(function (a, b) {
+        return a.priority - b.priority;
+    });
+    return units;
+}
 
-    function get_set__get (mom, unit) {
-        return mom.isValid() ?
-            mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN;
-    }
+function zeroFill(number, targetLength, forceSign) {
+    var absNumber = '' + Math.abs(number),
+        zerosToFill = targetLength - absNumber.length,
+        sign = number >= 0;
+    return (sign ? (forceSign ? '+' : '') : '-') +
+        Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber;
+}
 
-    function get_set__set (mom, unit, value) {
-        if (mom.isValid()) {
-            mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);
-        }
-    }
+var formattingTokens = /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g;
 
-    // MOMENTS
+var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g;
 
-    function stringGet (units) {
-        units = normalizeUnits(units);
-        if (isFunction(this[units])) {
-            return this[units]();
-        }
-        return this;
-    }
+var formatFunctions = {};
 
+var formatTokenFunctions = {};
 
-    function stringSet (units, value) {
-        if (typeof units === 'object') {
-            units = normalizeObjectUnits(units);
-            var prioritized = getPrioritizedUnits(units);
-            for (var i = 0; i < prioritized.length; i++) {
-                this[prioritized[i].unit](units[prioritized[i].unit]);
-            }
-        } else {
-            units = normalizeUnits(units);
-            if (isFunction(this[units])) {
-                return this[units](value);
-            }
-        }
-        return this;
+// token:    'M'
+// padded:   ['MM', 2]
+// ordinal:  'Mo'
+// callback: function () { this.month() + 1 }
+function addFormatToken (token, padded, ordinal, callback) {
+    var func = callback;
+    if (typeof callback === 'string') {
+        func = function () {
+            return this[callback]();
+        };
     }
-
-    function zeroFill(number, targetLength, forceSign) {
-        var absNumber = '' + Math.abs(number),
-            zerosToFill = targetLength - absNumber.length,
-            sign = number >= 0;
-        return (sign ? (forceSign ? '+' : '') : '-') +
-            Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber;
+    if (token) {
+        formatTokenFunctions[token] = func;
     }
+    if (padded) {
+        formatTokenFunctions[padded[0]] = function () {
+            return zeroFill(func.apply(this, arguments), padded[1], padded[2]);
+        };
+    }
+    if (ordinal) {
+        formatTokenFunctions[ordinal] = function () {
+            return this.localeData().ordinal(func.apply(this, arguments), token);
+        };
+    }
+}
 
-    var formattingTokens = /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g;
-
-    var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g;
-
-    var formatFunctions = {};
+function removeFormattingTokens(input) {
+    if (input.match(/\[[\s\S]/)) {
+        return input.replace(/^\[|\]$/g, '');
+    }
+    return input.replace(/\\/g, '');
+}
 
-    var formatTokenFunctions = {};
+function makeFormatFunction(format) {
+    var array = format.match(formattingTokens), i, length;
 
-    // token:    'M'
-    // padded:   ['MM', 2]
-    // ordinal:  'Mo'
-    // callback: function () { this.month() + 1 }
-    function addFormatToken (token, padded, ordinal, callback) {
-        var func = callback;
-        if (typeof callback === 'string') {
-            func = function () {
-                return this[callback]();
-            };
-        }
-        if (token) {
-            formatTokenFunctions[token] = func;
-        }
-        if (padded) {
-            formatTokenFunctions[padded[0]] = function () {
-                return zeroFill(func.apply(this, arguments), padded[1], padded[2]);
-            };
-        }
-        if (ordinal) {
-            formatTokenFunctions[ordinal] = function () {
-                return this.localeData().ordinal(func.apply(this, arguments), token);
-            };
+    for (i = 0, length = array.length; i < length; i++) {
+        if (formatTokenFunctions[array[i]]) {
+            array[i] = formatTokenFunctions[array[i]];
+        } else {
+            array[i] = removeFormattingTokens(array[i]);
         }
     }
 
-    function removeFormattingTokens(input) {
-        if (input.match(/\[[\s\S]/)) {
-            return input.replace(/^\[|\]$/g, '');
+    return function (mom) {
+        var output = '', i;
+        for (i = 0; i < length; i++) {
+            output += isFunction(array[i]) ? array[i].call(mom, format) : array[i];
         }
-        return input.replace(/\\/g, '');
+        return output;
+    };
+}
+
+// format date using native date object
+function formatMoment(m, format) {
+    if (!m.isValid()) {
+        return m.localeData().invalidDate();
     }
 
-    function makeFormatFunction(format) {
-        var array = format.match(formattingTokens), i, length;
+    format = expandFormat(format, m.localeData());
+    formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);
 
-        for (i = 0, length = array.length; i < length; i++) {
-            if (formatTokenFunctions[array[i]]) {
-                array[i] = formatTokenFunctions[array[i]];
-            } else {
-                array[i] = removeFormattingTokens(array[i]);
-            }
-        }
+    return formatFunctions[format](m);
+}
 
-        return function (mom) {
-            var output = '', i;
-            for (i = 0; i < length; i++) {
-                output += array[i] instanceof Function ? array[i].call(mom, format) : array[i];
-            }
-            return output;
-        };
+function expandFormat(format, locale) {
+    var i = 5;
+
+    function replaceLongDateFormatTokens(input) {
+        return locale.longDateFormat(input) || input;
     }
 
-    // format date using native date object
-    function formatMoment(m, format) {
-        if (!m.isValid()) {
-            return m.localeData().invalidDate();
-        }
+    localFormattingTokens.lastIndex = 0;
+    while (i >= 0 && localFormattingTokens.test(format)) {
+        format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);
+        localFormattingTokens.lastIndex = 0;
+        i -= 1;
+    }
 
-        format = expandFormat(format, m.localeData());
-        formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);
+    return format;
+}
 
-        return formatFunctions[format](m);
-    }
+var match1         = /\d/;            //       0 - 9
+var match2         = /\d\d/;          //      00 - 99
+var match3         = /\d{3}/;         //     000 - 999
+var match4         = /\d{4}/;         //    0000 - 9999
+var match6         = /[+-]?\d{6}/;    // -999999 - 999999
+var match1to2      = /\d\d?/;         //       0 - 99
+var match3to4      = /\d\d\d\d?/;     //     999 - 9999
+var match5to6      = /\d\d\d\d\d\d?/; //   99999 - 999999
+var match1to3      = /\d{1,3}/;       //       0 - 999
+var match1to4      = /\d{1,4}/;       //       0 - 9999
+var match1to6      = /[+-]?\d{1,6}/;  // -999999 - 999999
 
-    function expandFormat(format, locale) {
-        var i = 5;
+var matchUnsigned  = /\d+/;           //       0 - inf
+var matchSigned    = /[+-]?\d+/;      //    -inf - inf
 
-        function replaceLongDateFormatTokens(input) {
-            return locale.longDateFormat(input) || input;
-        }
+var matchOffset    = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z
+var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z
 
-        localFormattingTokens.lastIndex = 0;
-        while (i >= 0 && localFormattingTokens.test(format)) {
-            format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);
-            localFormattingTokens.lastIndex = 0;
-            i -= 1;
-        }
+var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123
 
-        return format;
-    }
+// any word (or two) characters or numbers including two/three word month in arabic.
+// includes scottish gaelic two word and hyphenated months
+var matchWord = /[0-9]{0,256}['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFF07\uFF10-\uFFEF]{1,256}|[\u0600-\u06FF\/]{1,256}(\s*?[\u0600-\u06FF]{1,256}){1,2}/i;
 
-    var match1         = /\d/;            //       0 - 9
-    var match2         = /\d\d/;          //      00 - 99
-    var match3         = /\d{3}/;         //     000 - 999
-    var match4         = /\d{4}/;         //    0000 - 9999
-    var match6         = /[+-]?\d{6}/;    // -999999 - 999999
-    var match1to2      = /\d\d?/;         //       0 - 99
-    var match3to4      = /\d\d\d\d?/;     //     999 - 9999
-    var match5to6      = /\d\d\d\d\d\d?/; //   99999 - 999999
-    var match1to3      = /\d{1,3}/;       //       0 - 999
-    var match1to4      = /\d{1,4}/;       //       0 - 9999
-    var match1to6      = /[+-]?\d{1,6}/;  // -999999 - 999999
+var regexes = {};
 
-    var matchUnsigned  = /\d+/;           //       0 - inf
-    var matchSigned    = /[+-]?\d+/;      //    -inf - inf
+function addRegexToken (token, regex, strictRegex) {
+    regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) {
+        return (isStrict && strictRegex) ? strictRegex : regex;
+    };
+}
 
-    var matchOffset    = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z
-    var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z
+function getParseRegexForToken (token, config) {
+    if (!hasOwnProp(regexes, token)) {
+        return new RegExp(unescapeFormat(token));
+    }
 
-    var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123
+    return regexes[token](config._strict, config._locale);
+}
 
-    // any word (or two) characters or numbers including two/three word month in arabic.
-    // includes scottish gaelic two word and hyphenated months
-    var matchWord = /[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i;
+// Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
+function unescapeFormat(s) {
+    return regexEscape(s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) {
+        return p1 || p2 || p3 || p4;
+    }));
+}
 
+function regexEscape(s) {
+    return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
+}
 
-    var regexes = {};
+var tokens = {};
 
-    function addRegexToken (token, regex, strictRegex) {
-        regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) {
-            return (isStrict && strictRegex) ? strictRegex : regex;
+function addParseToken (token, callback) {
+    var i, func = callback;
+    if (typeof token === 'string') {
+        token = [token];
+    }
+    if (isNumber(callback)) {
+        func = function (input, array) {
+            array[callback] = toInt(input);
         };
     }
-
-    function getParseRegexForToken (token, config) {
-        if (!hasOwnProp(regexes, token)) {
-            return new RegExp(unescapeFormat(token));
-        }
-
-        return regexes[token](config._strict, config._locale);
+    for (i = 0; i < token.length; i++) {
+        tokens[token[i]] = func;
     }
+}
 
-    // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
-    function unescapeFormat(s) {
-        return regexEscape(s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) {
-            return p1 || p2 || p3 || p4;
-        }));
-    }
+function addWeekParseToken (token, callback) {
+    addParseToken(token, function (input, array, config, token) {
+        config._w = config._w || {};
+        callback(input, config._w, config, token);
+    });
+}
 
-    function regexEscape(s) {
-        return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
+function addTimeToArrayFromToken(token, input, config) {
+    if (input != null && hasOwnProp(tokens, token)) {
+        tokens[token](input, config._a, config, token);
     }
+}
 
-    var tokens = {};
+var YEAR = 0;
+var MONTH = 1;
+var DATE = 2;
+var HOUR = 3;
+var MINUTE = 4;
+var SECOND = 5;
+var MILLISECOND = 6;
+var WEEK = 7;
+var WEEKDAY = 8;
+
+// FORMATTING
+
+addFormatToken('Y', 0, 0, function () {
+    var y = this.year();
+    return y <= 9999 ? '' + y : '+' + y;
+});
 
-    function addParseToken (token, callback) {
-        var i, func = callback;
-        if (typeof token === 'string') {
-            token = [token];
-        }
-        if (typeof callback === 'number') {
-            func = function (input, array) {
-                array[callback] = toInt(input);
-            };
-        }
-        for (i = 0; i < token.length; i++) {
-            tokens[token[i]] = func;
-        }
-    }
+addFormatToken(0, ['YY', 2], 0, function () {
+    return this.year() % 100;
+});
 
-    function addWeekParseToken (token, callback) {
-        addParseToken(token, function (input, array, config, token) {
-            config._w = config._w || {};
-            callback(input, config._w, config, token);
-        });
-    }
+addFormatToken(0, ['YYYY',   4],       0, 'year');
+addFormatToken(0, ['YYYYY',  5],       0, 'year');
+addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');
 
-    function addTimeToArrayFromToken(token, input, config) {
-        if (input != null && hasOwnProp(tokens, token)) {
-            tokens[token](input, config._a, config, token);
-        }
-    }
+// ALIASES
 
-    var YEAR = 0;
-    var MONTH = 1;
-    var DATE = 2;
-    var HOUR = 3;
-    var MINUTE = 4;
-    var SECOND = 5;
-    var MILLISECOND = 6;
-    var WEEK = 7;
-    var WEEKDAY = 8;
+addUnitAlias('year', 'y');
 
-    var indexOf;
+// PRIORITIES
 
-    if (Array.prototype.indexOf) {
-        indexOf = Array.prototype.indexOf;
-    } else {
-        indexOf = function (o) {
-            // I know
-            var i;
-            for (i = 0; i < this.length; ++i) {
-                if (this[i] === o) {
-                    return i;
-                }
-            }
-            return -1;
-        };
-    }
+addUnitPriority('year', 1);
 
-    function daysInMonth(year, month) {
-        return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();
-    }
+// PARSING
 
-    // FORMATTING
+addRegexToken('Y',      matchSigned);
+addRegexToken('YY',     match1to2, match2);
+addRegexToken('YYYY',   match1to4, match4);
+addRegexToken('YYYYY',  match1to6, match6);
+addRegexToken('YYYYYY', match1to6, match6);
 
-    addFormatToken('M', ['MM', 2], 'Mo', function () {
-        return this.month() + 1;
-    });
-
-    addFormatToken('MMM', 0, 0, function (format) {
-        return this.localeData().monthsShort(this, format);
-    });
+addParseToken(['YYYYY', 'YYYYYY'], YEAR);
+addParseToken('YYYY', function (input, array) {
+    array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);
+});
+addParseToken('YY', function (input, array) {
+    array[YEAR] = hooks.parseTwoDigitYear(input);
+});
+addParseToken('Y', function (input, array) {
+    array[YEAR] = parseInt(input, 10);
+});
 
-    addFormatToken('MMMM', 0, 0, function (format) {
-        return this.localeData().months(this, format);
-    });
+// HELPERS
 
-    // ALIASES
+function daysInYear(year) {
+    return isLeapYear(year) ? 366 : 365;
+}
 
-    addUnitAlias('month', 'M');
+function isLeapYear(year) {
+    return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
+}
 
-    // PRIORITY
+// HOOKS
 
-    addUnitPriority('month', 8);
+hooks.parseTwoDigitYear = function (input) {
+    return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
+};
 
-    // PARSING
+// MOMENTS
 
-    addRegexToken('M',    match1to2);
-    addRegexToken('MM',   match1to2, match2);
-    addRegexToken('MMM',  function (isStrict, locale) {
-        return locale.monthsShortRegex(isStrict);
-    });
-    addRegexToken('MMMM', function (isStrict, locale) {
-        return locale.monthsRegex(isStrict);
-    });
+var getSetYear = makeGetSet('FullYear', true);
 
-    addParseToken(['M', 'MM'], function (input, array) {
-        array[MONTH] = toInt(input) - 1;
-    });
+function getIsLeapYear () {
+    return isLeapYear(this.year());
+}
 
-    addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {
-        var month = config._locale.monthsParse(input, token, config._strict);
-        // if we didn't find a month name, mark the date as invalid.
-        if (month != null) {
-            array[MONTH] = month;
+function makeGetSet (unit, keepTime) {
+    return function (value) {
+        if (value != null) {
+            set$1(this, unit, value);
+            hooks.updateOffset(this, keepTime);
+            return this;
         } else {
-            getParsingFlags(config).invalidMonth = input;
+            return get(this, unit);
         }
-    });
+    };
+}
 
-    // LOCALES
+function get (mom, unit) {
+    return mom.isValid() ?
+        mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN;
+}
 
-    var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s+)+MMMM?/;
-    var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_');
-    function localeMonths (m, format) {
-        if (!m) {
-            return this._months;
+function set$1 (mom, unit, value) {
+    if (mom.isValid() && !isNaN(value)) {
+        if (unit === 'FullYear' && isLeapYear(mom.year()) && mom.month() === 1 && mom.date() === 29) {
+            mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value, mom.month(), daysInMonth(value, mom.month()));
+        }
+        else {
+            mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);
         }
-        return isArray(this._months) ? this._months[m.month()] :
-            this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()];
     }
+}
 
-    var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_');
-    function localeMonthsShort (m, format) {
-        if (!m) {
-            return this._monthsShort;
-        }
-        return isArray(this._monthsShort) ? this._monthsShort[m.month()] :
-            this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];
-    }
-
-    function units_month__handleStrictParse(monthName, format, strict) {
-        var i, ii, mom, llc = monthName.toLocaleLowerCase();
-        if (!this._monthsParse) {
-            // this is not used
-            this._monthsParse = [];
-            this._longMonthsParse = [];
-            this._shortMonthsParse = [];
-            for (i = 0; i < 12; ++i) {
-                mom = create_utc__createUTC([2000, i]);
-                this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase();
-                this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();
-            }
-        }
+// MOMENTS
 
-        if (strict) {
-            if (format === 'MMM') {
-                ii = indexOf.call(this._shortMonthsParse, llc);
-                return ii !== -1 ? ii : null;
-            } else {
-                ii = indexOf.call(this._longMonthsParse, llc);
-                return ii !== -1 ? ii : null;
-            }
-        } else {
-            if (format === 'MMM') {
-                ii = indexOf.call(this._shortMonthsParse, llc);
-                if (ii !== -1) {
-                    return ii;
-                }
-                ii = indexOf.call(this._longMonthsParse, llc);
-                return ii !== -1 ? ii : null;
-            } else {
-                ii = indexOf.call(this._longMonthsParse, llc);
-                if (ii !== -1) {
-                    return ii;
-                }
-                ii = indexOf.call(this._shortMonthsParse, llc);
-                return ii !== -1 ? ii : null;
-            }
-        }
+function stringGet (units) {
+    units = normalizeUnits(units);
+    if (isFunction(this[units])) {
+        return this[units]();
     }
+    return this;
+}
 
-    function localeMonthsParse (monthName, format, strict) {
-        var i, mom, regex;
 
-        if (this._monthsParseExact) {
-            return units_month__handleStrictParse.call(this, monthName, format, strict);
+function stringSet (units, value) {
+    if (typeof units === 'object') {
+        units = normalizeObjectUnits(units);
+        var prioritized = getPrioritizedUnits(units);
+        for (var i = 0; i < prioritized.length; i++) {
+            this[prioritized[i].unit](units[prioritized[i].unit]);
         }
-
-        if (!this._monthsParse) {
-            this._monthsParse = [];
-            this._longMonthsParse = [];
-            this._shortMonthsParse = [];
+    } else {
+        units = normalizeUnits(units);
+        if (isFunction(this[units])) {
+            return this[units](value);
         }
+    }
+    return this;
+}
 
-        // TODO: add sorting
-        // Sorting makes sure if one month (or abbr) is a prefix of another
-        // see sorting in computeMonthsParse
-        for (i = 0; i < 12; i++) {
-            // make the regex if we don't have it already
-            mom = create_utc__createUTC([2000, i]);
-            if (strict && !this._longMonthsParse[i]) {
-                this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');
-                this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');
-            }
-            if (!strict && !this._monthsParse[i]) {
-                regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
-                this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');
-            }
-            // test the regex
-            if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {
-                return i;
-            } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {
-                return i;
-            } else if (!strict && this._monthsParse[i].test(monthName)) {
+function mod(n, x) {
+    return ((n % x) + x) % x;
+}
+
+var indexOf;
+
+if (Array.prototype.indexOf) {
+    indexOf = Array.prototype.indexOf;
+} else {
+    indexOf = function (o) {
+        // I know
+        var i;
+        for (i = 0; i < this.length; ++i) {
+            if (this[i] === o) {
                 return i;
             }
         }
+        return -1;
+    };
+}
+
+function daysInMonth(year, month) {
+    if (isNaN(year) || isNaN(month)) {
+        return NaN;
     }
+    var modMonth = mod(month, 12);
+    year += (month - modMonth) / 12;
+    return modMonth === 1 ? (isLeapYear(year) ? 29 : 28) : (31 - modMonth % 7 % 2);
+}
 
-    // MOMENTS
+// FORMATTING
 
-    function setMonth (mom, value) {
-        var dayOfMonth;
+addFormatToken('M', ['MM', 2], 'Mo', function () {
+    return this.month() + 1;
+});
 
-        if (!mom.isValid()) {
-            // No op
-            return mom;
-        }
+addFormatToken('MMM', 0, 0, function (format) {
+    return this.localeData().monthsShort(this, format);
+});
 
-        if (typeof value === 'string') {
-            if (/^\d+$/.test(value)) {
-                value = toInt(value);
-            } else {
-                value = mom.localeData().monthsParse(value);
-                // TODO: Another silent failure?
-                if (typeof value !== 'number') {
-                    return mom;
-                }
-            }
-        }
+addFormatToken('MMMM', 0, 0, function (format) {
+    return this.localeData().months(this, format);
+});
 
-        dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));
-        mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);
-        return mom;
+// ALIASES
+
+addUnitAlias('month', 'M');
+
+// PRIORITY
+
+addUnitPriority('month', 8);
+
+// PARSING
+
+addRegexToken('M',    match1to2);
+addRegexToken('MM',   match1to2, match2);
+addRegexToken('MMM',  function (isStrict, locale) {
+    return locale.monthsShortRegex(isStrict);
+});
+addRegexToken('MMMM', function (isStrict, locale) {
+    return locale.monthsRegex(isStrict);
+});
+
+addParseToken(['M', 'MM'], function (input, array) {
+    array[MONTH] = toInt(input) - 1;
+});
+
+addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {
+    var month = config._locale.monthsParse(input, token, config._strict);
+    // if we didn't find a month name, mark the date as invalid.
+    if (month != null) {
+        array[MONTH] = month;
+    } else {
+        getParsingFlags(config).invalidMonth = input;
     }
+});
 
-    function getSetMonth (value) {
-        if (value != null) {
-            setMonth(this, value);
-            utils_hooks__hooks.updateOffset(this, true);
-            return this;
-        } else {
-            return get_set__get(this, 'Month');
-        }
+// LOCALES
+
+var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/;
+var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_');
+function localeMonths (m, format) {
+    if (!m) {
+        return isArray(this._months) ? this._months :
+            this._months['standalone'];
     }
+    return isArray(this._months) ? this._months[m.month()] :
+        this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()];
+}
 
-    function getDaysInMonth () {
-        return daysInMonth(this.year(), this.month());
+var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_');
+function localeMonthsShort (m, format) {
+    if (!m) {
+        return isArray(this._monthsShort) ? this._monthsShort :
+            this._monthsShort['standalone'];
     }
+    return isArray(this._monthsShort) ? this._monthsShort[m.month()] :
+        this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];
+}
 
-    var defaultMonthsShortRegex = matchWord;
-    function monthsShortRegex (isStrict) {
-        if (this._monthsParseExact) {
-            if (!hasOwnProp(this, '_monthsRegex')) {
-                computeMonthsParse.call(this);
-            }
-            if (isStrict) {
-                return this._monthsShortStrictRegex;
-            } else {
-                return this._monthsShortRegex;
-            }
-        } else {
-            if (!hasOwnProp(this, '_monthsShortRegex')) {
-                this._monthsShortRegex = defaultMonthsShortRegex;
-            }
-            return this._monthsShortStrictRegex && isStrict ?
-                this._monthsShortStrictRegex : this._monthsShortRegex;
+function handleStrictParse(monthName, format, strict) {
+    var i, ii, mom, llc = monthName.toLocaleLowerCase();
+    if (!this._monthsParse) {
+        // this is not used
+        this._monthsParse = [];
+        this._longMonthsParse = [];
+        this._shortMonthsParse = [];
+        for (i = 0; i < 12; ++i) {
+            mom = createUTC([2000, i]);
+            this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase();
+            this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();
         }
     }
 
-    var defaultMonthsRegex = matchWord;
-    function monthsRegex (isStrict) {
-        if (this._monthsParseExact) {
-            if (!hasOwnProp(this, '_monthsRegex')) {
-                computeMonthsParse.call(this);
-            }
-            if (isStrict) {
-                return this._monthsStrictRegex;
-            } else {
-                return this._monthsRegex;
+    if (strict) {
+        if (format === 'MMM') {
+            ii = indexOf.call(this._shortMonthsParse, llc);
+            return ii !== -1 ? ii : null;
+        } else {
+            ii = indexOf.call(this._longMonthsParse, llc);
+            return ii !== -1 ? ii : null;
+        }
+    } else {
+        if (format === 'MMM') {
+            ii = indexOf.call(this._shortMonthsParse, llc);
+            if (ii !== -1) {
+                return ii;
             }
+            ii = indexOf.call(this._longMonthsParse, llc);
+            return ii !== -1 ? ii : null;
         } else {
-            if (!hasOwnProp(this, '_monthsRegex')) {
-                this._monthsRegex = defaultMonthsRegex;
+            ii = indexOf.call(this._longMonthsParse, llc);
+            if (ii !== -1) {
+                return ii;
             }
-            return this._monthsStrictRegex && isStrict ?
-                this._monthsStrictRegex : this._monthsRegex;
+            ii = indexOf.call(this._shortMonthsParse, llc);
+            return ii !== -1 ? ii : null;
         }
     }
+}
 
-    function computeMonthsParse () {
-        function cmpLenRev(a, b) {
-            return b.length - a.length;
-        }
+function localeMonthsParse (monthName, format, strict) {
+    var i, mom, regex;
+
+    if (this._monthsParseExact) {
+        return handleStrictParse.call(this, monthName, format, strict);
+    }
 
-        var shortPieces = [], longPieces = [], mixedPieces = [],
-            i, mom;
-        for (i = 0; i < 12; i++) {
-            // make the regex if we don't have it already
-            mom = create_utc__createUTC([2000, i]);
-            shortPieces.push(this.monthsShort(mom, ''));
-            longPieces.push(this.months(mom, ''));
-            mixedPieces.push(this.months(mom, ''));
-            mixedPieces.push(this.monthsShort(mom, ''));
+    if (!this._monthsParse) {
+        this._monthsParse = [];
+        this._longMonthsParse = [];
+        this._shortMonthsParse = [];
+    }
+
+    // TODO: add sorting
+    // Sorting makes sure if one month (or abbr) is a prefix of another
+    // see sorting in computeMonthsParse
+    for (i = 0; i < 12; i++) {
+        // make the regex if we don't have it already
+        mom = createUTC([2000, i]);
+        if (strict && !this._longMonthsParse[i]) {
+            this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');
+            this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');
         }
-        // Sorting makes sure if one month (or abbr) is a prefix of another it
-        // will match the longer piece.
-        shortPieces.sort(cmpLenRev);
-        longPieces.sort(cmpLenRev);
-        mixedPieces.sort(cmpLenRev);
-        for (i = 0; i < 12; i++) {
-            shortPieces[i] = regexEscape(shortPieces[i]);
-            longPieces[i] = regexEscape(longPieces[i]);
+        if (!strict && !this._monthsParse[i]) {
+            regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
+            this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');
         }
-        for (i = 0; i < 24; i++) {
-            mixedPieces[i] = regexEscape(mixedPieces[i]);
+        // test the regex
+        if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {
+            return i;
+        } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {
+            return i;
+        } else if (!strict && this._monthsParse[i].test(monthName)) {
+            return i;
         }
-
-        this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
-        this._monthsShortRegex = this._monthsRegex;
-        this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');
-        this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');
     }
+}
 
-    // FORMATTING
-
-    addFormatToken('Y', 0, 0, function () {
-        var y = this.year();
-        return y <= 9999 ? '' + y : '+' + y;
-    });
-
-    addFormatToken(0, ['YY', 2], 0, function () {
-        return this.year() % 100;
-    });
-
-    addFormatToken(0, ['YYYY',   4],       0, 'year');
-    addFormatToken(0, ['YYYYY',  5],       0, 'year');
-    addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');
-
-    // ALIASES
-
-    addUnitAlias('year', 'y');
-
-    // PRIORITIES
-
-    addUnitPriority('year', 1);
-
-    // PARSING
-
-    addRegexToken('Y',      matchSigned);
-    addRegexToken('YY',     match1to2, match2);
-    addRegexToken('YYYY',   match1to4, match4);
-    addRegexToken('YYYYY',  match1to6, match6);
-    addRegexToken('YYYYYY', match1to6, match6);
-
-    addParseToken(['YYYYY', 'YYYYYY'], YEAR);
-    addParseToken('YYYY', function (input, array) {
-        array[YEAR] = input.length === 2 ? utils_hooks__hooks.parseTwoDigitYear(input) : toInt(input);
-    });
-    addParseToken('YY', function (input, array) {
-        array[YEAR] = utils_hooks__hooks.parseTwoDigitYear(input);
-    });
-    addParseToken('Y', function (input, array) {
-        array[YEAR] = parseInt(input, 10);
-    });
+// MOMENTS
 
-    // HELPERS
+function setMonth (mom, value) {
+    var dayOfMonth;
 
-    function daysInYear(year) {
-        return isLeapYear(year) ? 366 : 365;
+    if (!mom.isValid()) {
+        // No op
+        return mom;
     }
 
-    function isLeapYear(year) {
-        return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
+    if (typeof value === 'string') {
+        if (/^\d+$/.test(value)) {
+            value = toInt(value);
+        } else {
+            value = mom.localeData().monthsParse(value);
+            // TODO: Another silent failure?
+            if (!isNumber(value)) {
+                return mom;
+            }
+        }
     }
 
-    // HOOKS
-
-    utils_hooks__hooks.parseTwoDigitYear = function (input) {
-        return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
-    };
-
-    // MOMENTS
-
-    var getSetYear = makeGetSet('FullYear', true);
+    dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));
+    mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);
+    return mom;
+}
 
-    function getIsLeapYear () {
-        return isLeapYear(this.year());
+function getSetMonth (value) {
+    if (value != null) {
+        setMonth(this, value);
+        hooks.updateOffset(this, true);
+        return this;
+    } else {
+        return get(this, 'Month');
     }
+}
 
-    function createDate (y, m, d, h, M, s, ms) {
-        //can't just apply() to create a date:
-        //http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply
-        var date = new Date(y, m, d, h, M, s, ms);
+function getDaysInMonth () {
+    return daysInMonth(this.year(), this.month());
+}
 
-        //the date constructor remaps years 0-99 to 1900-1999
-        if (y < 100 && y >= 0 && isFinite(date.getFullYear())) {
-            date.setFullYear(y);
+var defaultMonthsShortRegex = matchWord;
+function monthsShortRegex (isStrict) {
+    if (this._monthsParseExact) {
+        if (!hasOwnProp(this, '_monthsRegex')) {
+            computeMonthsParse.call(this);
         }
-        return date;
+        if (isStrict) {
+            return this._monthsShortStrictRegex;
+        } else {
+            return this._monthsShortRegex;
+        }
+    } else {
+        if (!hasOwnProp(this, '_monthsShortRegex')) {
+            this._monthsShortRegex = defaultMonthsShortRegex;
+        }
+        return this._monthsShortStrictRegex && isStrict ?
+            this._monthsShortStrictRegex : this._monthsShortRegex;
     }
+}
 
-    function createUTCDate (y) {
-        var date = new Date(Date.UTC.apply(null, arguments));
-
-        //the Date.UTC function remaps years 0-99 to 1900-1999
-        if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) {
-            date.setUTCFullYear(y);
+var defaultMonthsRegex = matchWord;
+function monthsRegex (isStrict) {
+    if (this._monthsParseExact) {
+        if (!hasOwnProp(this, '_monthsRegex')) {
+            computeMonthsParse.call(this);
+        }
+        if (isStrict) {
+            return this._monthsStrictRegex;
+        } else {
+            return this._monthsRegex;
         }
-        return date;
+    } else {
+        if (!hasOwnProp(this, '_monthsRegex')) {
+            this._monthsRegex = defaultMonthsRegex;
+        }
+        return this._monthsStrictRegex && isStrict ?
+            this._monthsStrictRegex : this._monthsRegex;
     }
+}
+
+function computeMonthsParse () {
+    function cmpLenRev(a, b) {
+        return b.length - a.length;
+    }
+
+    var shortPieces = [], longPieces = [], mixedPieces = [],
+        i, mom;
+    for (i = 0; i < 12; i++) {
+        // make the regex if we don't have it already
+        mom = createUTC([2000, i]);
+        shortPieces.push(this.monthsShort(mom, ''));
+        longPieces.push(this.months(mom, ''));
+        mixedPieces.push(this.months(mom, ''));
+        mixedPieces.push(this.monthsShort(mom, ''));
+    }
+    // Sorting makes sure if one month (or abbr) is a prefix of another it
+    // will match the longer piece.
+    shortPieces.sort(cmpLenRev);
+    longPieces.sort(cmpLenRev);
+    mixedPieces.sort(cmpLenRev);
+    for (i = 0; i < 12; i++) {
+        shortPieces[i] = regexEscape(shortPieces[i]);
+        longPieces[i] = regexEscape(longPieces[i]);
+    }
+    for (i = 0; i < 24; i++) {
+        mixedPieces[i] = regexEscape(mixedPieces[i]);
+    }
+
+    this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
+    this._monthsShortRegex = this._monthsRegex;
+    this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');
+    this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');
+}
 
-    // start-of-first-week - start-of-year
-    function firstWeekOffset(year, dow, doy) {
-        var // first-week day -- which january is always in the first week (4 for iso, 1 for other)
-            fwd = 7 + dow - doy,
-            // first-week day local weekday -- which local weekday is fwd
-            fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;
+function createDate (y, m, d, h, M, s, ms) {
+    // can't just apply() to create a date:
+    // https://stackoverflow.com/q/181348
+    var date = new Date(y, m, d, h, M, s, ms);
 
-        return -fwdlw + fwd - 1;
+    // the date constructor remaps years 0-99 to 1900-1999
+    if (y < 100 && y >= 0 && isFinite(date.getFullYear())) {
+        date.setFullYear(y);
     }
+    return date;
+}
 
-    //http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
-    function dayOfYearFromWeeks(year, week, weekday, dow, doy) {
-        var localWeekday = (7 + weekday - dow) % 7,
-            weekOffset = firstWeekOffset(year, dow, doy),
-            dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,
-            resYear, resDayOfYear;
-
-        if (dayOfYear <= 0) {
-            resYear = year - 1;
-            resDayOfYear = daysInYear(resYear) + dayOfYear;
-        } else if (dayOfYear > daysInYear(year)) {
-            resYear = year + 1;
-            resDayOfYear = dayOfYear - daysInYear(year);
-        } else {
-            resYear = year;
-            resDayOfYear = dayOfYear;
-        }
+function createUTCDate (y) {
+    var date = new Date(Date.UTC.apply(null, arguments));
 
-        return {
-            year: resYear,
-            dayOfYear: resDayOfYear
-        };
+    // the Date.UTC function remaps years 0-99 to 1900-1999
+    if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) {
+        date.setUTCFullYear(y);
     }
+    return date;
+}
 
-    function weekOfYear(mom, dow, doy) {
-        var weekOffset = firstWeekOffset(mom.year(), dow, doy),
-            week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,
-            resWeek, resYear;
+// start-of-first-week - start-of-year
+function firstWeekOffset(year, dow, doy) {
+    var // first-week day -- which january is always in the first week (4 for iso, 1 for other)
+        fwd = 7 + dow - doy,
+        // first-week day local weekday -- which local weekday is fwd
+        fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;
 
-        if (week < 1) {
-            resYear = mom.year() - 1;
-            resWeek = week + weeksInYear(resYear, dow, doy);
-        } else if (week > weeksInYear(mom.year(), dow, doy)) {
-            resWeek = week - weeksInYear(mom.year(), dow, doy);
-            resYear = mom.year() + 1;
-        } else {
-            resYear = mom.year();
-            resWeek = week;
-        }
+    return -fwdlw + fwd - 1;
+}
 
-        return {
-            week: resWeek,
-            year: resYear
-        };
+// https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
+function dayOfYearFromWeeks(year, week, weekday, dow, doy) {
+    var localWeekday = (7 + weekday - dow) % 7,
+        weekOffset = firstWeekOffset(year, dow, doy),
+        dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,
+        resYear, resDayOfYear;
+
+    if (dayOfYear <= 0) {
+        resYear = year - 1;
+        resDayOfYear = daysInYear(resYear) + dayOfYear;
+    } else if (dayOfYear > daysInYear(year)) {
+        resYear = year + 1;
+        resDayOfYear = dayOfYear - daysInYear(year);
+    } else {
+        resYear = year;
+        resDayOfYear = dayOfYear;
     }
 
-    function weeksInYear(year, dow, doy) {
-        var weekOffset = firstWeekOffset(year, dow, doy),
-            weekOffsetNext = firstWeekOffset(year + 1, dow, doy);
-        return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;
+    return {
+        year: resYear,
+        dayOfYear: resDayOfYear
+    };
+}
+
+function weekOfYear(mom, dow, doy) {
+    var weekOffset = firstWeekOffset(mom.year(), dow, doy),
+        week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,
+        resWeek, resYear;
+
+    if (week < 1) {
+        resYear = mom.year() - 1;
+        resWeek = week + weeksInYear(resYear, dow, doy);
+    } else if (week > weeksInYear(mom.year(), dow, doy)) {
+        resWeek = week - weeksInYear(mom.year(), dow, doy);
+        resYear = mom.year() + 1;
+    } else {
+        resYear = mom.year();
+        resWeek = week;
     }
 
-    // FORMATTING
+    return {
+        week: resWeek,
+        year: resYear
+    };
+}
 
-    addFormatToken('w', ['ww', 2], 'wo', 'week');
-    addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');
+function weeksInYear(year, dow, doy) {
+    var weekOffset = firstWeekOffset(year, dow, doy),
+        weekOffsetNext = firstWeekOffset(year + 1, dow, doy);
+    return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;
+}
 
-    // ALIASES
+// FORMATTING
 
-    addUnitAlias('week', 'w');
-    addUnitAlias('isoWeek', 'W');
+addFormatToken('w', ['ww', 2], 'wo', 'week');
+addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');
 
-    // PRIORITIES
+// ALIASES
 
-    addUnitPriority('week', 5);
-    addUnitPriority('isoWeek', 5);
+addUnitAlias('week', 'w');
+addUnitAlias('isoWeek', 'W');
 
-    // PARSING
+// PRIORITIES
 
-    addRegexToken('w',  match1to2);
-    addRegexToken('ww', match1to2, match2);
-    addRegexToken('W',  match1to2);
-    addRegexToken('WW', match1to2, match2);
+addUnitPriority('week', 5);
+addUnitPriority('isoWeek', 5);
 
-    addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {
-        week[token.substr(0, 1)] = toInt(input);
-    });
+// PARSING
 
-    // HELPERS
+addRegexToken('w',  match1to2);
+addRegexToken('ww', match1to2, match2);
+addRegexToken('W',  match1to2);
+addRegexToken('WW', match1to2, match2);
 
-    // LOCALES
+addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {
+    week[token.substr(0, 1)] = toInt(input);
+});
 
-    function localeWeek (mom) {
-        return weekOfYear(mom, this._week.dow, this._week.doy).week;
-    }
+// HELPERS
 
-    var defaultLocaleWeek = {
-        dow : 0, // Sunday is the first day of the week.
-        doy : 6  // The week that contains Jan 1st is the first week of the year.
-    };
+// LOCALES
 
-    function localeFirstDayOfWeek () {
-        return this._week.dow;
-    }
+function localeWeek (mom) {
+    return weekOfYear(mom, this._week.dow, this._week.doy).week;
+}
 
-    function localeFirstDayOfYear () {
-        return this._week.doy;
-    }
+var defaultLocaleWeek = {
+    dow : 0, // Sunday is the first day of the week.
+    doy : 6  // The week that contains Jan 1st is the first week of the year.
+};
 
-    // MOMENTS
+function localeFirstDayOfWeek () {
+    return this._week.dow;
+}
 
-    function getSetWeek (input) {
-        var week = this.localeData().week(this);
-        return input == null ? week : this.add((input - week) * 7, 'd');
-    }
+function localeFirstDayOfYear () {
+    return this._week.doy;
+}
 
-    function getSetISOWeek (input) {
-        var week = weekOfYear(this, 1, 4).week;
-        return input == null ? week : this.add((input - week) * 7, 'd');
-    }
+// MOMENTS
 
-    // FORMATTING
+function getSetWeek (input) {
+    var week = this.localeData().week(this);
+    return input == null ? week : this.add((input - week) * 7, 'd');
+}
 
-    addFormatToken('d', 0, 'do', 'day');
+function getSetISOWeek (input) {
+    var week = weekOfYear(this, 1, 4).week;
+    return input == null ? week : this.add((input - week) * 7, 'd');
+}
 
-    addFormatToken('dd', 0, 0, function (format) {
-        return this.localeData().weekdaysMin(this, format);
-    });
+// FORMATTING
 
-    addFormatToken('ddd', 0, 0, function (format) {
-        return this.localeData().weekdaysShort(this, format);
-    });
+addFormatToken('d', 0, 'do', 'day');
 
-    addFormatToken('dddd', 0, 0, function (format) {
-        return this.localeData().weekdays(this, format);
-    });
+addFormatToken('dd', 0, 0, function (format) {
+    return this.localeData().weekdaysMin(this, format);
+});
 
-    addFormatToken('e', 0, 0, 'weekday');
-    addFormatToken('E', 0, 0, 'isoWeekday');
+addFormatToken('ddd', 0, 0, function (format) {
+    return this.localeData().weekdaysShort(this, format);
+});
 
-    // ALIASES
+addFormatToken('dddd', 0, 0, function (format) {
+    return this.localeData().weekdays(this, format);
+});
 
-    addUnitAlias('day', 'd');
-    addUnitAlias('weekday', 'e');
-    addUnitAlias('isoWeekday', 'E');
+addFormatToken('e', 0, 0, 'weekday');
+addFormatToken('E', 0, 0, 'isoWeekday');
 
-    // PRIORITY
-    addUnitPriority('day', 11);
-    addUnitPriority('weekday', 11);
-    addUnitPriority('isoWeekday', 11);
+// ALIASES
 
-    // PARSING
+addUnitAlias('day', 'd');
+addUnitAlias('weekday', 'e');
+addUnitAlias('isoWeekday', 'E');
 
-    addRegexToken('d',    match1to2);
-    addRegexToken('e',    match1to2);
-    addRegexToken('E',    match1to2);
-    addRegexToken('dd',   function (isStrict, locale) {
-        return locale.weekdaysMinRegex(isStrict);
-    });
-    addRegexToken('ddd',   function (isStrict, locale) {
-        return locale.weekdaysShortRegex(isStrict);
-    });
-    addRegexToken('dddd',   function (isStrict, locale) {
-        return locale.weekdaysRegex(isStrict);
-    });
+// PRIORITY
+addUnitPriority('day', 11);
+addUnitPriority('weekday', 11);
+addUnitPriority('isoWeekday', 11);
 
-    addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {
-        var weekday = config._locale.weekdaysParse(input, token, config._strict);
-        // if we didn't get a weekday name, mark the date as invalid
-        if (weekday != null) {
-            week.d = weekday;
-        } else {
-            getParsingFlags(config).invalidWeekday = input;
-        }
-    });
+// PARSING
 
-    addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {
-        week[token] = toInt(input);
-    });
+addRegexToken('d',    match1to2);
+addRegexToken('e',    match1to2);
+addRegexToken('E',    match1to2);
+addRegexToken('dd',   function (isStrict, locale) {
+    return locale.weekdaysMinRegex(isStrict);
+});
+addRegexToken('ddd',   function (isStrict, locale) {
+    return locale.weekdaysShortRegex(isStrict);
+});
+addRegexToken('dddd',   function (isStrict, locale) {
+    return locale.weekdaysRegex(isStrict);
+});
 
-    // HELPERS
+addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {
+    var weekday = config._locale.weekdaysParse(input, token, config._strict);
+    // if we didn't get a weekday name, mark the date as invalid
+    if (weekday != null) {
+        week.d = weekday;
+    } else {
+        getParsingFlags(config).invalidWeekday = input;
+    }
+});
 
-    function parseWeekday(input, locale) {
-        if (typeof input !== 'string') {
-            return input;
-        }
+addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {
+    week[token] = toInt(input);
+});
 
-        if (!isNaN(input)) {
-            return parseInt(input, 10);
-        }
+// HELPERS
 
-        input = locale.weekdaysParse(input);
-        if (typeof input === 'number') {
-            return input;
-        }
+function parseWeekday(input, locale) {
+    if (typeof input !== 'string') {
+        return input;
+    }
 
-        return null;
+    if (!isNaN(input)) {
+        return parseInt(input, 10);
     }
 
-    function parseIsoWeekday(input, locale) {
-        if (typeof input === 'string') {
-            return locale.weekdaysParse(input) % 7 || 7;
-        }
-        return isNaN(input) ? null : input;
+    input = locale.weekdaysParse(input);
+    if (typeof input === 'number') {
+        return input;
     }
 
-    // LOCALES
+    return null;
+}
 
-    var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_');
-    function localeWeekdays (m, format) {
-        if (!m) {
-            return this._weekdays;
-        }
-        return isArray(this._weekdays) ? this._weekdays[m.day()] :
-            this._weekdays[this._weekdays.isFormat.test(format) ? 'format' : 'standalone'][m.day()];
+function parseIsoWeekday(input, locale) {
+    if (typeof input === 'string') {
+        return locale.weekdaysParse(input) % 7 || 7;
     }
+    return isNaN(input) ? null : input;
+}
 
-    var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_');
-    function localeWeekdaysShort (m) {
-        return (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort;
-    }
+// LOCALES
 
-    var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_');
-    function localeWeekdaysMin (m) {
-        return (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin;
+var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_');
+function localeWeekdays (m, format) {
+    if (!m) {
+        return isArray(this._weekdays) ? this._weekdays :
+            this._weekdays['standalone'];
     }
+    return isArray(this._weekdays) ? this._weekdays[m.day()] :
+        this._weekdays[this._weekdays.isFormat.test(format) ? 'format' : 'standalone'][m.day()];
+}
 
-    function day_of_week__handleStrictParse(weekdayName, format, strict) {
-        var i, ii, mom, llc = weekdayName.toLocaleLowerCase();
-        if (!this._weekdaysParse) {
-            this._weekdaysParse = [];
-            this._shortWeekdaysParse = [];
-            this._minWeekdaysParse = [];
+var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_');
+function localeWeekdaysShort (m) {
+    return (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort;
+}
 
-            for (i = 0; i < 7; ++i) {
-                mom = create_utc__createUTC([2000, 1]).day(i);
-                this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase();
-                this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase();
-                this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();
-            }
+var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_');
+function localeWeekdaysMin (m) {
+    return (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin;
+}
+
+function handleStrictParse$1(weekdayName, format, strict) {
+    var i, ii, mom, llc = weekdayName.toLocaleLowerCase();
+    if (!this._weekdaysParse) {
+        this._weekdaysParse = [];
+        this._shortWeekdaysParse = [];
+        this._minWeekdaysParse = [];
+
+        for (i = 0; i < 7; ++i) {
+            mom = createUTC([2000, 1]).day(i);
+            this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase();
+            this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase();
+            this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();
         }
+    }
 
-        if (strict) {
-            if (format === 'dddd') {
-                ii = indexOf.call(this._weekdaysParse, llc);
-                return ii !== -1 ? ii : null;
-            } else if (format === 'ddd') {
-                ii = indexOf.call(this._shortWeekdaysParse, llc);
-                return ii !== -1 ? ii : null;
-            } else {
-                ii = indexOf.call(this._minWeekdaysParse, llc);
-                return ii !== -1 ? ii : null;
+    if (strict) {
+        if (format === 'dddd') {
+            ii = indexOf.call(this._weekdaysParse, llc);
+            return ii !== -1 ? ii : null;
+        } else if (format === 'ddd') {
+            ii = indexOf.call(this._shortWeekdaysParse, llc);
+            return ii !== -1 ? ii : null;
+        } else {
+            ii = indexOf.call(this._minWeekdaysParse, llc);
+            return ii !== -1 ? ii : null;
+        }
+    } else {
+        if (format === 'dddd') {
+            ii = indexOf.call(this._weekdaysParse, llc);
+            if (ii !== -1) {
+                return ii;
             }
+            ii = indexOf.call(this._shortWeekdaysParse, llc);
+            if (ii !== -1) {
+                return ii;
+            }
+            ii = indexOf.call(this._minWeekdaysParse, llc);
+            return ii !== -1 ? ii : null;
+        } else if (format === 'ddd') {
+            ii = indexOf.call(this._shortWeekdaysParse, llc);
+            if (ii !== -1) {
+                return ii;
+            }
+            ii = indexOf.call(this._weekdaysParse, llc);
+            if (ii !== -1) {
+                return ii;
+            }
+            ii = indexOf.call(this._minWeekdaysParse, llc);
+            return ii !== -1 ? ii : null;
         } else {
-            if (format === 'dddd') {
-                ii = indexOf.call(this._weekdaysParse, llc);
-                if (ii !== -1) {
-                    return ii;
-                }
-                ii = indexOf.call(this._shortWeekdaysParse, llc);
-                if (ii !== -1) {
-                    return ii;
-                }
-                ii = indexOf.call(this._minWeekdaysParse, llc);
-                return ii !== -1 ? ii : null;
-            } else if (format === 'ddd') {
-                ii = indexOf.call(this._shortWeekdaysParse, llc);
-                if (ii !== -1) {
-                    return ii;
-                }
-                ii = indexOf.call(this._weekdaysParse, llc);
-                if (ii !== -1) {
-                    return ii;
-                }
-                ii = indexOf.call(this._minWeekdaysParse, llc);
-                return ii !== -1 ? ii : null;
-            } else {
-                ii = indexOf.call(this._minWeekdaysParse, llc);
-                if (ii !== -1) {
-                    return ii;
-                }
-                ii = indexOf.call(this._weekdaysParse, llc);
-                if (ii !== -1) {
-                    return ii;
-                }
-                ii = indexOf.call(this._shortWeekdaysParse, llc);
-                return ii !== -1 ? ii : null;
+            ii = indexOf.call(this._minWeekdaysParse, llc);
+            if (ii !== -1) {
+                return ii;
             }
+            ii = indexOf.call(this._weekdaysParse, llc);
+            if (ii !== -1) {
+                return ii;
+            }
+            ii = indexOf.call(this._shortWeekdaysParse, llc);
+            return ii !== -1 ? ii : null;
         }
     }
+}
 
-    function localeWeekdaysParse (weekdayName, format, strict) {
-        var i, mom, regex;
+function localeWeekdaysParse (weekdayName, format, strict) {
+    var i, mom, regex;
 
-        if (this._weekdaysParseExact) {
-            return day_of_week__handleStrictParse.call(this, weekdayName, format, strict);
-        }
+    if (this._weekdaysParseExact) {
+        return handleStrictParse$1.call(this, weekdayName, format, strict);
+    }
 
-        if (!this._weekdaysParse) {
-            this._weekdaysParse = [];
-            this._minWeekdaysParse = [];
-            this._shortWeekdaysParse = [];
-            this._fullWeekdaysParse = [];
-        }
+    if (!this._weekdaysParse) {
+        this._weekdaysParse = [];
+        this._minWeekdaysParse = [];
+        this._shortWeekdaysParse = [];
+        this._fullWeekdaysParse = [];
+    }
 
-        for (i = 0; i < 7; i++) {
-            // make the regex if we don't have it already
+    for (i = 0; i < 7; i++) {
+        // make the regex if we don't have it already
 
-            mom = create_utc__createUTC([2000, 1]).day(i);
-            if (strict && !this._fullWeekdaysParse[i]) {
-                this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\.?') + '$', 'i');
-                this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\.?') + '$', 'i');
-                this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\.?') + '$', 'i');
-            }
-            if (!this._weekdaysParse[i]) {
-                regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');
-                this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
-            }
-            // test the regex
-            if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) {
-                return i;
-            } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) {
-                return i;
-            } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) {
-                return i;
-            } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {
-                return i;
-            }
+        mom = createUTC([2000, 1]).day(i);
+        if (strict && !this._fullWeekdaysParse[i]) {
+            this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\.?') + '$', 'i');
+            this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\.?') + '$', 'i');
+            this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\.?') + '$', 'i');
+        }
+        if (!this._weekdaysParse[i]) {
+            regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');
+            this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
+        }
+        // test the regex
+        if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) {
+            return i;
+        } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) {
+            return i;
+        } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) {
+            return i;
+        } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {
+            return i;
         }
     }
+}
 
-    // MOMENTS
+// MOMENTS
 
-    function getSetDayOfWeek (input) {
-        if (!this.isValid()) {
-            return input != null ? this : NaN;
-        }
-        var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
-        if (input != null) {
-            input = parseWeekday(input, this.localeData());
-            return this.add(input - day, 'd');
-        } else {
-            return day;
-        }
+function getSetDayOfWeek (input) {
+    if (!this.isValid()) {
+        return input != null ? this : NaN;
+    }
+    var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
+    if (input != null) {
+        input = parseWeekday(input, this.localeData());
+        return this.add(input - day, 'd');
+    } else {
+        return day;
     }
+}
 
-    function getSetLocaleDayOfWeek (input) {
-        if (!this.isValid()) {
-            return input != null ? this : NaN;
-        }
-        var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
-        return input == null ? weekday : this.add(input - weekday, 'd');
+function getSetLocaleDayOfWeek (input) {
+    if (!this.isValid()) {
+        return input != null ? this : NaN;
     }
+    var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
+    return input == null ? weekday : this.add(input - weekday, 'd');
+}
 
-    function getSetISODayOfWeek (input) {
-        if (!this.isValid()) {
-            return input != null ? this : NaN;
-        }
+function getSetISODayOfWeek (input) {
+    if (!this.isValid()) {
+        return input != null ? this : NaN;
+    }
 
-        // behaves the same as moment#day except
-        // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
-        // as a setter, sunday should belong to the previous week.
+    // behaves the same as moment#day except
+    // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
+    // as a setter, sunday should belong to the previous week.
 
-        if (input != null) {
-            var weekday = parseIsoWeekday(input, this.localeData());
-            return this.day(this.day() % 7 ? weekday : weekday - 7);
-        } else {
-            return this.day() || 7;
-        }
+    if (input != null) {
+        var weekday = parseIsoWeekday(input, this.localeData());
+        return this.day(this.day() % 7 ? weekday : weekday - 7);
+    } else {
+        return this.day() || 7;
     }
+}
 
-    var defaultWeekdaysRegex = matchWord;
-    function weekdaysRegex (isStrict) {
-        if (this._weekdaysParseExact) {
-            if (!hasOwnProp(this, '_weekdaysRegex')) {
-                computeWeekdaysParse.call(this);
-            }
-            if (isStrict) {
-                return this._weekdaysStrictRegex;
-            } else {
-                return this._weekdaysRegex;
-            }
+var defaultWeekdaysRegex = matchWord;
+function weekdaysRegex (isStrict) {
+    if (this._weekdaysParseExact) {
+        if (!hasOwnProp(this, '_weekdaysRegex')) {
+            computeWeekdaysParse.call(this);
+        }
+        if (isStrict) {
+            return this._weekdaysStrictRegex;
         } else {
-            if (!hasOwnProp(this, '_weekdaysRegex')) {
-                this._weekdaysRegex = defaultWeekdaysRegex;
-            }
-            return this._weekdaysStrictRegex && isStrict ?
-                this._weekdaysStrictRegex : this._weekdaysRegex;
+            return this._weekdaysRegex;
         }
+    } else {
+        if (!hasOwnProp(this, '_weekdaysRegex')) {
+            this._weekdaysRegex = defaultWeekdaysRegex;
+        }
+        return this._weekdaysStrictRegex && isStrict ?
+            this._weekdaysStrictRegex : this._weekdaysRegex;
     }
+}
 
-    var defaultWeekdaysShortRegex = matchWord;
-    function weekdaysShortRegex (isStrict) {
-        if (this._weekdaysParseExact) {
-            if (!hasOwnProp(this, '_weekdaysRegex')) {
-                computeWeekdaysParse.call(this);
-            }
-            if (isStrict) {
-                return this._weekdaysShortStrictRegex;
-            } else {
-                return this._weekdaysShortRegex;
-            }
+var defaultWeekdaysShortRegex = matchWord;
+function weekdaysShortRegex (isStrict) {
+    if (this._weekdaysParseExact) {
+        if (!hasOwnProp(this, '_weekdaysRegex')) {
+            computeWeekdaysParse.call(this);
+        }
+        if (isStrict) {
+            return this._weekdaysShortStrictRegex;
         } else {
-            if (!hasOwnProp(this, '_weekdaysShortRegex')) {
-                this._weekdaysShortRegex = defaultWeekdaysShortRegex;
-            }
-            return this._weekdaysShortStrictRegex && isStrict ?
-                this._weekdaysShortStrictRegex : this._weekdaysShortRegex;
+            return this._weekdaysShortRegex;
         }
+    } else {
+        if (!hasOwnProp(this, '_weekdaysShortRegex')) {
+            this._weekdaysShortRegex = defaultWeekdaysShortRegex;
+        }
+        return this._weekdaysShortStrictRegex && isStrict ?
+            this._weekdaysShortStrictRegex : this._weekdaysShortRegex;
     }
+}
 
-    var defaultWeekdaysMinRegex = matchWord;
-    function weekdaysMinRegex (isStrict) {
-        if (this._weekdaysParseExact) {
-            if (!hasOwnProp(this, '_weekdaysRegex')) {
-                computeWeekdaysParse.call(this);
-            }
-            if (isStrict) {
-                return this._weekdaysMinStrictRegex;
-            } else {
-                return this._weekdaysMinRegex;
-            }
+var defaultWeekdaysMinRegex = matchWord;
+function weekdaysMinRegex (isStrict) {
+    if (this._weekdaysParseExact) {
+        if (!hasOwnProp(this, '_weekdaysRegex')) {
+            computeWeekdaysParse.call(this);
+        }
+        if (isStrict) {
+            return this._weekdaysMinStrictRegex;
         } else {
-            if (!hasOwnProp(this, '_weekdaysMinRegex')) {
-                this._weekdaysMinRegex = defaultWeekdaysMinRegex;
-            }
-            return this._weekdaysMinStrictRegex && isStrict ?
-                this._weekdaysMinStrictRegex : this._weekdaysMinRegex;
+            return this._weekdaysMinRegex;
         }
+    } else {
+        if (!hasOwnProp(this, '_weekdaysMinRegex')) {
+            this._weekdaysMinRegex = defaultWeekdaysMinRegex;
+        }
+        return this._weekdaysMinStrictRegex && isStrict ?
+            this._weekdaysMinStrictRegex : this._weekdaysMinRegex;
     }
+}
 
 
-    function computeWeekdaysParse () {
-        function cmpLenRev(a, b) {
-            return b.length - a.length;
-        }
+function computeWeekdaysParse () {
+    function cmpLenRev(a, b) {
+        return b.length - a.length;
+    }
+
+    var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [],
+        i, mom, minp, shortp, longp;
+    for (i = 0; i < 7; i++) {
+        // make the regex if we don't have it already
+        mom = createUTC([2000, 1]).day(i);
+        minp = this.weekdaysMin(mom, '');
+        shortp = this.weekdaysShort(mom, '');
+        longp = this.weekdays(mom, '');
+        minPieces.push(minp);
+        shortPieces.push(shortp);
+        longPieces.push(longp);
+        mixedPieces.push(minp);
+        mixedPieces.push(shortp);
+        mixedPieces.push(longp);
+    }
+    // Sorting makes sure if one weekday (or abbr) is a prefix of another it
+    // will match the longer piece.
+    minPieces.sort(cmpLenRev);
+    shortPieces.sort(cmpLenRev);
+    longPieces.sort(cmpLenRev);
+    mixedPieces.sort(cmpLenRev);
+    for (i = 0; i < 7; i++) {
+        shortPieces[i] = regexEscape(shortPieces[i]);
+        longPieces[i] = regexEscape(longPieces[i]);
+        mixedPieces[i] = regexEscape(mixedPieces[i]);
+    }
+
+    this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
+    this._weekdaysShortRegex = this._weekdaysRegex;
+    this._weekdaysMinRegex = this._weekdaysRegex;
+
+    this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');
+    this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');
+    this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i');
+}
 
-        var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [],
-            i, mom, minp, shortp, longp;
-        for (i = 0; i < 7; i++) {
-            // make the regex if we don't have it already
-            mom = create_utc__createUTC([2000, 1]).day(i);
-            minp = this.weekdaysMin(mom, '');
-            shortp = this.weekdaysShort(mom, '');
-            longp = this.weekdays(mom, '');
-            minPieces.push(minp);
-            shortPieces.push(shortp);
-            longPieces.push(longp);
-            mixedPieces.push(minp);
-            mixedPieces.push(shortp);
-            mixedPieces.push(longp);
-        }
-        // Sorting makes sure if one weekday (or abbr) is a prefix of another it
-        // will match the longer piece.
-        minPieces.sort(cmpLenRev);
-        shortPieces.sort(cmpLenRev);
-        longPieces.sort(cmpLenRev);
-        mixedPieces.sort(cmpLenRev);
-        for (i = 0; i < 7; i++) {
-            shortPieces[i] = regexEscape(shortPieces[i]);
-            longPieces[i] = regexEscape(longPieces[i]);
-            mixedPieces[i] = regexEscape(mixedPieces[i]);
-        }
+// FORMATTING
 
-        this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
-        this._weekdaysShortRegex = this._weekdaysRegex;
-        this._weekdaysMinRegex = this._weekdaysRegex;
+function hFormat() {
+    return this.hours() % 12 || 12;
+}
 
-        this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');
-        this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');
-        this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i');
-    }
+function kFormat() {
+    return this.hours() || 24;
+}
 
-    // FORMATTING
+addFormatToken('H', ['HH', 2], 0, 'hour');
+addFormatToken('h', ['hh', 2], 0, hFormat);
+addFormatToken('k', ['kk', 2], 0, kFormat);
 
-    function hFormat() {
-        return this.hours() % 12 || 12;
-    }
+addFormatToken('hmm', 0, 0, function () {
+    return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);
+});
 
-    function kFormat() {
-        return this.hours() || 24;
-    }
+addFormatToken('hmmss', 0, 0, function () {
+    return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) +
+        zeroFill(this.seconds(), 2);
+});
 
-    addFormatToken('H', ['HH', 2], 0, 'hour');
-    addFormatToken('h', ['hh', 2], 0, hFormat);
-    addFormatToken('k', ['kk', 2], 0, kFormat);
+addFormatToken('Hmm', 0, 0, function () {
+    return '' + this.hours() + zeroFill(this.minutes(), 2);
+});
 
-    addFormatToken('hmm', 0, 0, function () {
-        return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);
-    });
+addFormatToken('Hmmss', 0, 0, function () {
+    return '' + this.hours() + zeroFill(this.minutes(), 2) +
+        zeroFill(this.seconds(), 2);
+});
 
-    addFormatToken('hmmss', 0, 0, function () {
-        return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) +
-            zeroFill(this.seconds(), 2);
+function meridiem (token, lowercase) {
+    addFormatToken(token, 0, 0, function () {
+        return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);
     });
+}
 
-    addFormatToken('Hmm', 0, 0, function () {
-        return '' + this.hours() + zeroFill(this.minutes(), 2);
-    });
+meridiem('a', true);
+meridiem('A', false);
 
-    addFormatToken('Hmmss', 0, 0, function () {
-        return '' + this.hours() + zeroFill(this.minutes(), 2) +
-            zeroFill(this.seconds(), 2);
-    });
+// ALIASES
 
-    function meridiem (token, lowercase) {
-        addFormatToken(token, 0, 0, function () {
-            return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);
-        });
-    }
+addUnitAlias('hour', 'h');
 
-    meridiem('a', true);
-    meridiem('A', false);
+// PRIORITY
+addUnitPriority('hour', 13);
 
-    // ALIASES
+// PARSING
+
+function matchMeridiem (isStrict, locale) {
+    return locale._meridiemParse;
+}
 
-    addUnitAlias('hour', 'h');
+addRegexToken('a',  matchMeridiem);
+addRegexToken('A',  matchMeridiem);
+addRegexToken('H',  match1to2);
+addRegexToken('h',  match1to2);
+addRegexToken('k',  match1to2);
+addRegexToken('HH', match1to2, match2);
+addRegexToken('hh', match1to2, match2);
+addRegexToken('kk', match1to2, match2);
+
+addRegexToken('hmm', match3to4);
+addRegexToken('hmmss', match5to6);
+addRegexToken('Hmm', match3to4);
+addRegexToken('Hmmss', match5to6);
+
+addParseToken(['H', 'HH'], HOUR);
+addParseToken(['k', 'kk'], function (input, array, config) {
+    var kInput = toInt(input);
+    array[HOUR] = kInput === 24 ? 0 : kInput;
+});
+addParseToken(['a', 'A'], function (input, array, config) {
+    config._isPm = config._locale.isPM(input);
+    config._meridiem = input;
+});
+addParseToken(['h', 'hh'], function (input, array, config) {
+    array[HOUR] = toInt(input);
+    getParsingFlags(config).bigHour = true;
+});
+addParseToken('hmm', function (input, array, config) {
+    var pos = input.length - 2;
+    array[HOUR] = toInt(input.substr(0, pos));
+    array[MINUTE] = toInt(input.substr(pos));
+    getParsingFlags(config).bigHour = true;
+});
+addParseToken('hmmss', function (input, array, config) {
+    var pos1 = input.length - 4;
+    var pos2 = input.length - 2;
+    array[HOUR] = toInt(input.substr(0, pos1));
+    array[MINUTE] = toInt(input.substr(pos1, 2));
+    array[SECOND] = toInt(input.substr(pos2));
+    getParsingFlags(config).bigHour = true;
+});
+addParseToken('Hmm', function (input, array, config) {
+    var pos = input.length - 2;
+    array[HOUR] = toInt(input.substr(0, pos));
+    array[MINUTE] = toInt(input.substr(pos));
+});
+addParseToken('Hmmss', function (input, array, config) {
+    var pos1 = input.length - 4;
+    var pos2 = input.length - 2;
+    array[HOUR] = toInt(input.substr(0, pos1));
+    array[MINUTE] = toInt(input.substr(pos1, 2));
+    array[SECOND] = toInt(input.substr(pos2));
+});
 
-    // PRIORITY
-    addUnitPriority('hour', 13);
+// LOCALES
 
-    // PARSING
+function localeIsPM (input) {
+    // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
+    // Using charAt should be more compatible.
+    return ((input + '').toLowerCase().charAt(0) === 'p');
+}
 
-    function matchMeridiem (isStrict, locale) {
-        return locale._meridiemParse;
+var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i;
+function localeMeridiem (hours, minutes, isLower) {
+    if (hours > 11) {
+        return isLower ? 'pm' : 'PM';
+    } else {
+        return isLower ? 'am' : 'AM';
     }
+}
 
-    addRegexToken('a',  matchMeridiem);
-    addRegexToken('A',  matchMeridiem);
-    addRegexToken('H',  match1to2);
-    addRegexToken('h',  match1to2);
-    addRegexToken('HH', match1to2, match2);
-    addRegexToken('hh', match1to2, match2);
 
-    addRegexToken('hmm', match3to4);
-    addRegexToken('hmmss', match5to6);
-    addRegexToken('Hmm', match3to4);
-    addRegexToken('Hmmss', match5to6);
+// MOMENTS
 
-    addParseToken(['H', 'HH'], HOUR);
-    addParseToken(['a', 'A'], function (input, array, config) {
-        config._isPm = config._locale.isPM(input);
-        config._meridiem = input;
-    });
-    addParseToken(['h', 'hh'], function (input, array, config) {
-        array[HOUR] = toInt(input);
-        getParsingFlags(config).bigHour = true;
-    });
-    addParseToken('hmm', function (input, array, config) {
-        var pos = input.length - 2;
-        array[HOUR] = toInt(input.substr(0, pos));
-        array[MINUTE] = toInt(input.substr(pos));
-        getParsingFlags(config).bigHour = true;
-    });
-    addParseToken('hmmss', function (input, array, config) {
-        var pos1 = input.length - 4;
-        var pos2 = input.length - 2;
-        array[HOUR] = toInt(input.substr(0, pos1));
-        array[MINUTE] = toInt(input.substr(pos1, 2));
-        array[SECOND] = toInt(input.substr(pos2));
-        getParsingFlags(config).bigHour = true;
-    });
-    addParseToken('Hmm', function (input, array, config) {
-        var pos = input.length - 2;
-        array[HOUR] = toInt(input.substr(0, pos));
-        array[MINUTE] = toInt(input.substr(pos));
-    });
-    addParseToken('Hmmss', function (input, array, config) {
-        var pos1 = input.length - 4;
-        var pos2 = input.length - 2;
-        array[HOUR] = toInt(input.substr(0, pos1));
-        array[MINUTE] = toInt(input.substr(pos1, 2));
-        array[SECOND] = toInt(input.substr(pos2));
-    });
+// Setting the hour should keep the time, because the user explicitly
+// specified which hour he wants. So trying to maintain the same hour (in
+// a new timezone) makes sense. Adding/subtracting hours does not follow
+// this rule.
+var getSetHour = makeGetSet('Hours', true);
 
-    // LOCALES
+var baseConfig = {
+    calendar: defaultCalendar,
+    longDateFormat: defaultLongDateFormat,
+    invalidDate: defaultInvalidDate,
+    ordinal: defaultOrdinal,
+    dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,
+    relativeTime: defaultRelativeTime,
 
-    function localeIsPM (input) {
-        // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
-        // Using charAt should be more compatible.
-        return ((input + '').toLowerCase().charAt(0) === 'p');
-    }
+    months: defaultLocaleMonths,
+    monthsShort: defaultLocaleMonthsShort,
 
-    var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i;
-    function localeMeridiem (hours, minutes, isLower) {
-        if (hours > 11) {
-            return isLower ? 'pm' : 'PM';
-        } else {
-            return isLower ? 'am' : 'AM';
-        }
-    }
+    week: defaultLocaleWeek,
 
+    weekdays: defaultLocaleWeekdays,
+    weekdaysMin: defaultLocaleWeekdaysMin,
+    weekdaysShort: defaultLocaleWeekdaysShort,
 
-    // MOMENTS
+    meridiemParse: defaultLocaleMeridiemParse
+};
 
-    // Setting the hour should keep the time, because the user explicitly
-    // specified which hour he wants. So trying to maintain the same hour (in
-    // a new timezone) makes sense. Adding/subtracting hours does not follow
-    // this rule.
-    var getSetHour = makeGetSet('Hours', true);
+// internal storage for locale config files
+var locales = {};
+var localeFamilies = {};
+var globalLocale;
 
-    var baseConfig = {
-        calendar: defaultCalendar,
-        longDateFormat: defaultLongDateFormat,
-        invalidDate: defaultInvalidDate,
-        ordinal: defaultOrdinal,
-        ordinalParse: defaultOrdinalParse,
-        relativeTime: defaultRelativeTime,
+function normalizeLocale(key) {
+    return key ? key.toLowerCase().replace('_', '-') : key;
+}
 
-        months: defaultLocaleMonths,
-        monthsShort: defaultLocaleMonthsShort,
+// pick the locale from the array
+// try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
+// substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
+function chooseLocale(names) {
+    var i = 0, j, next, locale, split;
+
+    while (i < names.length) {
+        split = normalizeLocale(names[i]).split('-');
+        j = split.length;
+        next = normalizeLocale(names[i + 1]);
+        next = next ? next.split('-') : null;
+        while (j > 0) {
+            locale = loadLocale(split.slice(0, j).join('-'));
+            if (locale) {
+                return locale;
+            }
+            if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {
+                //the next array item is better than a shallower substring of this one
+                break;
+            }
+            j--;
+        }
+        i++;
+    }
+    return globalLocale;
+}
 
-        week: defaultLocaleWeek,
+function loadLocale(name) {
+    var oldLocale = null;
+    // TODO: Find a better way to register and load all the locales in Node
+    if (!locales[name] && (typeof module !== 'undefined') &&
+            module && module.exports) {
+        try {
+            oldLocale = globalLocale._abbr;
+            var aliasedRequire = require;
+            aliasedRequire('./locale/' + name);
+            getSetGlobalLocale(oldLocale);
+        } catch (e) {}
+    }
+    return locales[name];
+}
 
-        weekdays: defaultLocaleWeekdays,
-        weekdaysMin: defaultLocaleWeekdaysMin,
-        weekdaysShort: defaultLocaleWeekdaysShort,
+// This function will load locale and then set the global locale.  If
+// no arguments are passed in, it will simply return the current global
+// locale key.
+function getSetGlobalLocale (key, values) {
+    var data;
+    if (key) {
+        if (isUndefined(values)) {
+            data = getLocale(key);
+        }
+        else {
+            data = defineLocale(key, values);
+        }
 
-        meridiemParse: defaultLocaleMeridiemParse
-    };
+        if (data) {
+            // moment.duration._locale = moment._locale = data;
+            globalLocale = data;
+        }
+        else {
+            if ((typeof console !==  'undefined') && console.warn) {
+                //warn user if arguments are passed but the locale could not be set
+                console.warn('Locale ' + key +  ' not found. Did you forget to load it?');
+            }
+        }
+    }
 
-    // internal storage for locale config files
-    var locales = {};
-    var globalLocale;
-
-    function normalizeLocale(key) {
-        return key ? key.toLowerCase().replace('_', '-') : key;
-    }
-
-    // pick the locale from the array
-    // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
-    // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
-    function chooseLocale(names) {
-        var i = 0, j, next, locale, split;
-
-        while (i < names.length) {
-            split = normalizeLocale(names[i]).split('-');
-            j = split.length;
-            next = normalizeLocale(names[i + 1]);
-            next = next ? next.split('-') : null;
-            while (j > 0) {
-                locale = loadLocale(split.slice(0, j).join('-'));
-                if (locale) {
-                    return locale;
-                }
-                if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {
-                    //the next array item is better than a shallower substring of this one
-                    break;
+    return globalLocale._abbr;
+}
+
+function defineLocale (name, config) {
+    if (config !== null) {
+        var locale, parentConfig = baseConfig;
+        config.abbr = name;
+        if (locales[name] != null) {
+            deprecateSimple('defineLocaleOverride',
+                    'use moment.updateLocale(localeName, config) to change ' +
+                    'an existing locale. moment.defineLocale(localeName, ' +
+                    'config) should only be used for creating a new locale ' +
+                    'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.');
+            parentConfig = locales[name]._config;
+        } else if (config.parentLocale != null) {
+            if (locales[config.parentLocale] != null) {
+                parentConfig = locales[config.parentLocale]._config;
+            } else {
+                locale = loadLocale(config.parentLocale);
+                if (locale != null) {
+                    parentConfig = locale._config;
+                } else {
+                    if (!localeFamilies[config.parentLocale]) {
+                        localeFamilies[config.parentLocale] = [];
+                    }
+                    localeFamilies[config.parentLocale].push({
+                        name: name,
+                        config: config
+                    });
+                    return null;
                 }
-                j--;
             }
-            i++;
         }
-        return null;
-    }
+        locales[name] = new Locale(mergeConfigs(parentConfig, config));
 
-    function loadLocale(name) {
-        var oldLocale = null;
-        // TODO: Find a better way to register and load all the locales in Node
-        if (!locales[name] && (typeof module !== 'undefined') &&
-                module && module.require) {
-            try {
-                oldLocale = globalLocale._abbr;
-                module.require('./locale/' + name);
-                // because defineLocale currently also sets the global locale, we
-                // want to undo that for lazy loaded locales
-                locale_locales__getSetGlobalLocale(oldLocale);
-            } catch (e) { }
+        if (localeFamilies[name]) {
+            localeFamilies[name].forEach(function (x) {
+                defineLocale(x.name, x.config);
+            });
         }
+
+        // backwards compat for now: also set the locale
+        // make sure we set the locale AFTER all child locales have been
+        // created, so we won't end up with the child locale set.
+        getSetGlobalLocale(name);
+
+
         return locales[name];
+    } else {
+        // useful for testing
+        delete locales[name];
+        return null;
     }
+}
 
-    // This function will load locale and then set the global locale.  If
-    // no arguments are passed in, it will simply return the current global
-    // locale key.
-    function locale_locales__getSetGlobalLocale (key, values) {
-        var data;
-        if (key) {
-            if (isUndefined(values)) {
-                data = locale_locales__getLocale(key);
-            }
-            else {
-                data = defineLocale(key, values);
-            }
-
-            if (data) {
-                // moment.duration._locale = moment._locale = data;
-                globalLocale = data;
+function updateLocale(name, config) {
+    if (config != null) {
+        var locale, tmpLocale, parentConfig = baseConfig;
+        // MERGE
+        tmpLocale = loadLocale(name);
+        if (tmpLocale != null) {
+            parentConfig = tmpLocale._config;
+        }
+        config = mergeConfigs(parentConfig, config);
+        locale = new Locale(config);
+        locale.parentLocale = locales[name];
+        locales[name] = locale;
+
+        // backwards compat for now: also set the locale
+        getSetGlobalLocale(name);
+    } else {
+        // pass null for config to unupdate, useful for tests
+        if (locales[name] != null) {
+            if (locales[name].parentLocale != null) {
+                locales[name] = locales[name].parentLocale;
+            } else if (locales[name] != null) {
+                delete locales[name];
             }
         }
+    }
+    return locales[name];
+}
 
-        return globalLocale._abbr;
-    }
-
-    function defineLocale (name, config) {
-        if (config !== null) {
-            var parentConfig = baseConfig;
-            config.abbr = name;
-            if (locales[name] != null) {
-                deprecateSimple('defineLocaleOverride',
-                        'use moment.updateLocale(localeName, config) to change ' +
-                        'an existing locale. moment.defineLocale(localeName, ' +
-                        'config) should only be used for creating a new locale ' +
-                        'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.');
-                parentConfig = locales[name]._config;
-            } else if (config.parentLocale != null) {
-                if (locales[config.parentLocale] != null) {
-                    parentConfig = locales[config.parentLocale]._config;
-                } else {
-                    // treat as if there is no base config
-                    deprecateSimple('parentLocaleUndefined',
-                            'specified parentLocale is not defined yet. See http://momentjs.com/guides/#/warnings/parent-locale/');
-                }
-            }
-            locales[name] = new Locale(mergeConfigs(parentConfig, config));
+// returns locale data
+function getLocale (key) {
+    var locale;
 
-            // backwards compat for now: also set the locale
-            locale_locales__getSetGlobalLocale(name);
+    if (key && key._locale && key._locale._abbr) {
+        key = key._locale._abbr;
+    }
 
-            return locales[name];
-        } else {
-            // useful for testing
-            delete locales[name];
-            return null;
+    if (!key) {
+        return globalLocale;
+    }
+
+    if (!isArray(key)) {
+        //short-circuit everything else
+        locale = loadLocale(key);
+        if (locale) {
+            return locale;
         }
+        key = [key];
     }
 
-    function updateLocale(name, config) {
-        if (config != null) {
-            var locale, parentConfig = baseConfig;
-            // MERGE
-            if (locales[name] != null) {
-                parentConfig = locales[name]._config;
-            }
-            config = mergeConfigs(parentConfig, config);
-            locale = new Locale(config);
-            locale.parentLocale = locales[name];
-            locales[name] = locale;
+    return chooseLocale(key);
+}
 
-            // backwards compat for now: also set the locale
-            locale_locales__getSetGlobalLocale(name);
-        } else {
-            // pass null for config to unupdate, useful for tests
-            if (locales[name] != null) {
-                if (locales[name].parentLocale != null) {
-                    locales[name] = locales[name].parentLocale;
-                } else if (locales[name] != null) {
-                    delete locales[name];
-                }
-            }
+function listLocales() {
+    return keys(locales);
+}
+
+function checkOverflow (m) {
+    var overflow;
+    var a = m._a;
+
+    if (a && getParsingFlags(m).overflow === -2) {
+        overflow =
+            a[MONTH]       < 0 || a[MONTH]       > 11  ? MONTH :
+            a[DATE]        < 1 || a[DATE]        > daysInMonth(a[YEAR], a[MONTH]) ? DATE :
+            a[HOUR]        < 0 || a[HOUR]        > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR :
+            a[MINUTE]      < 0 || a[MINUTE]      > 59  ? MINUTE :
+            a[SECOND]      < 0 || a[SECOND]      > 59  ? SECOND :
+            a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND :
+            -1;
+
+        if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {
+            overflow = DATE;
         }
-        return locales[name];
+        if (getParsingFlags(m)._overflowWeeks && overflow === -1) {
+            overflow = WEEK;
+        }
+        if (getParsingFlags(m)._overflowWeekday && overflow === -1) {
+            overflow = WEEKDAY;
+        }
+
+        getParsingFlags(m).overflow = overflow;
     }
 
-    // returns locale data
-    function locale_locales__getLocale (key) {
-        var locale;
+    return m;
+}
 
-        if (key && key._locale && key._locale._abbr) {
-            key = key._locale._abbr;
-        }
+// Pick the first defined of two or three arguments.
+function defaults(a, b, c) {
+    if (a != null) {
+        return a;
+    }
+    if (b != null) {
+        return b;
+    }
+    return c;
+}
 
-        if (!key) {
-            return globalLocale;
-        }
+function currentDateArray(config) {
+    // hooks is actually the exported moment object
+    var nowValue = new Date(hooks.now());
+    if (config._useUTC) {
+        return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()];
+    }
+    return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];
+}
 
-        if (!isArray(key)) {
-            //short-circuit everything else
-            locale = loadLocale(key);
-            if (locale) {
-                return locale;
-            }
-            key = [key];
+// convert an array to a date.
+// the array should mirror the parameters below
+// note: all values past the year are optional and will default to the lowest possible value.
+// [year, month, day , hour, minute, second, millisecond]
+function configFromArray (config) {
+    var i, date, input = [], currentDate, expectedWeekday, yearToUse;
+
+    if (config._d) {
+        return;
+    }
+
+    currentDate = currentDateArray(config);
+
+    //compute day of the year from weeks and weekdays
+    if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {
+        dayOfYearFromWeekInfo(config);
+    }
+
+    //if the day of the year is set, figure out what it is
+    if (config._dayOfYear != null) {
+        yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);
+
+        if (config._dayOfYear > daysInYear(yearToUse) || config._dayOfYear === 0) {
+            getParsingFlags(config)._overflowDayOfYear = true;
         }
 
-        return chooseLocale(key);
+        date = createUTCDate(yearToUse, 0, config._dayOfYear);
+        config._a[MONTH] = date.getUTCMonth();
+        config._a[DATE] = date.getUTCDate();
     }
 
-    function locale_locales__listLocales() {
-        return keys(locales);
+    // Default to current date.
+    // * if no year, month, day of month are given, default to today
+    // * if day of month is given, default month and year
+    // * if month is given, default only year
+    // * if year is given, don't default anything
+    for (i = 0; i < 3 && config._a[i] == null; ++i) {
+        config._a[i] = input[i] = currentDate[i];
     }
 
-    function checkOverflow (m) {
-        var overflow;
-        var a = m._a;
+    // Zero out whatever was not defaulted, including time
+    for (; i < 7; i++) {
+        config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];
+    }
 
-        if (a && getParsingFlags(m).overflow === -2) {
-            overflow =
-                a[MONTH]       < 0 || a[MONTH]       > 11  ? MONTH :
-                a[DATE]        < 1 || a[DATE]        > daysInMonth(a[YEAR], a[MONTH]) ? DATE :
-                a[HOUR]        < 0 || a[HOUR]        > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR :
-                a[MINUTE]      < 0 || a[MINUTE]      > 59  ? MINUTE :
-                a[SECOND]      < 0 || a[SECOND]      > 59  ? SECOND :
-                a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND :
-                -1;
+    // Check for 24:00:00.000
+    if (config._a[HOUR] === 24 &&
+            config._a[MINUTE] === 0 &&
+            config._a[SECOND] === 0 &&
+            config._a[MILLISECOND] === 0) {
+        config._nextDay = true;
+        config._a[HOUR] = 0;
+    }
 
-            if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {
-                overflow = DATE;
-            }
-            if (getParsingFlags(m)._overflowWeeks && overflow === -1) {
-                overflow = WEEK;
-            }
-            if (getParsingFlags(m)._overflowWeekday && overflow === -1) {
-                overflow = WEEKDAY;
-            }
+    config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);
+    expectedWeekday = config._useUTC ? config._d.getUTCDay() : config._d.getDay();
 
-            getParsingFlags(m).overflow = overflow;
-        }
+    // Apply timezone offset from input. The actual utcOffset can be changed
+    // with parseZone.
+    if (config._tzm != null) {
+        config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
+    }
 
-        return m;
-    }
-
-    // iso 8601 regex
-    // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)
-    var extendedIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?/;
-    var basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?/;
-
-    var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/;
-
-    var isoDates = [
-        ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/],
-        ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/],
-        ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/],
-        ['GGGG-[W]WW', /\d{4}-W\d\d/, false],
-        ['YYYY-DDD', /\d{4}-\d{3}/],
-        ['YYYY-MM', /\d{4}-\d\d/, false],
-        ['YYYYYYMMDD', /[+-]\d{10}/],
-        ['YYYYMMDD', /\d{8}/],
-        // YYYYMM is NOT allowed by the standard
-        ['GGGG[W]WWE', /\d{4}W\d{3}/],
-        ['GGGG[W]WW', /\d{4}W\d{2}/, false],
-        ['YYYYDDD', /\d{7}/]
-    ];
+    if (config._nextDay) {
+        config._a[HOUR] = 24;
+    }
 
-    // iso time formats and regexes
-    var isoTimes = [
-        ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/],
-        ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/],
-        ['HH:mm:ss', /\d\d:\d\d:\d\d/],
-        ['HH:mm', /\d\d:\d\d/],
-        ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/],
-        ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/],
-        ['HHmmss', /\d\d\d\d\d\d/],
-        ['HHmm', /\d\d\d\d/],
-        ['HH', /\d\d/]
-    ];
+    // check for mismatching day of week
+    if (config._w && typeof config._w.d !== 'undefined' && config._w.d !== expectedWeekday) {
+        getParsingFlags(config).weekdayMismatch = true;
+    }
+}
 
-    var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i;
+function dayOfYearFromWeekInfo(config) {
+    var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow;
+
+    w = config._w;
+    if (w.GG != null || w.W != null || w.E != null) {
+        dow = 1;
+        doy = 4;
+
+        // TODO: We need to take the current isoWeekYear, but that depends on
+        // how we interpret now (local, utc, fixed offset). So create
+        // a now version of current config (take local/utc/offset flags, and
+        // create now).
+        weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year);
+        week = defaults(w.W, 1);
+        weekday = defaults(w.E, 1);
+        if (weekday < 1 || weekday > 7) {
+            weekdayOverflow = true;
+        }
+    } else {
+        dow = config._locale._week.dow;
+        doy = config._locale._week.doy;
 
-    // date from iso format
-    function configFromISO(config) {
-        var i, l,
-            string = config._i,
-            match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),
-            allowTime, dateFormat, timeFormat, tzFormat;
+        var curWeek = weekOfYear(createLocal(), dow, doy);
 
-        if (match) {
-            getParsingFlags(config).iso = true;
+        weekYear = defaults(w.gg, config._a[YEAR], curWeek.year);
 
-            for (i = 0, l = isoDates.length; i < l; i++) {
-                if (isoDates[i][1].exec(match[1])) {
-                    dateFormat = isoDates[i][0];
-                    allowTime = isoDates[i][2] !== false;
+        // Default to current week.
+        week = defaults(w.w, curWeek.week);
+
+        if (w.d != null) {
+            // weekday -- low day numbers are considered next week
+            weekday = w.d;
+            if (weekday < 0 || weekday > 6) {
+                weekdayOverflow = true;
+            }
+        } else if (w.e != null) {
+            // local weekday -- counting starts from begining of week
+            weekday = w.e + dow;
+            if (w.e < 0 || w.e > 6) {
+                weekdayOverflow = true;
+            }
+        } else {
+            // default to begining of week
+            weekday = dow;
+        }
+    }
+    if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {
+        getParsingFlags(config)._overflowWeeks = true;
+    } else if (weekdayOverflow != null) {
+        getParsingFlags(config)._overflowWeekday = true;
+    } else {
+        temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);
+        config._a[YEAR] = temp.year;
+        config._dayOfYear = temp.dayOfYear;
+    }
+}
+
+// iso 8601 regex
+// 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)
+var extendedIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/;
+var basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/;
+
+var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/;
+
+var isoDates = [
+    ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/],
+    ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/],
+    ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/],
+    ['GGGG-[W]WW', /\d{4}-W\d\d/, false],
+    ['YYYY-DDD', /\d{4}-\d{3}/],
+    ['YYYY-MM', /\d{4}-\d\d/, false],
+    ['YYYYYYMMDD', /[+-]\d{10}/],
+    ['YYYYMMDD', /\d{8}/],
+    // YYYYMM is NOT allowed by the standard
+    ['GGGG[W]WWE', /\d{4}W\d{3}/],
+    ['GGGG[W]WW', /\d{4}W\d{2}/, false],
+    ['YYYYDDD', /\d{7}/]
+];
+
+// iso time formats and regexes
+var isoTimes = [
+    ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/],
+    ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/],
+    ['HH:mm:ss', /\d\d:\d\d:\d\d/],
+    ['HH:mm', /\d\d:\d\d/],
+    ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/],
+    ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/],
+    ['HHmmss', /\d\d\d\d\d\d/],
+    ['HHmm', /\d\d\d\d/],
+    ['HH', /\d\d/]
+];
+
+var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i;
+
+// date from iso format
+function configFromISO(config) {
+    var i, l,
+        string = config._i,
+        match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),
+        allowTime, dateFormat, timeFormat, tzFormat;
+
+    if (match) {
+        getParsingFlags(config).iso = true;
+
+        for (i = 0, l = isoDates.length; i < l; i++) {
+            if (isoDates[i][1].exec(match[1])) {
+                dateFormat = isoDates[i][0];
+                allowTime = isoDates[i][2] !== false;
+                break;
+            }
+        }
+        if (dateFormat == null) {
+            config._isValid = false;
+            return;
+        }
+        if (match[3]) {
+            for (i = 0, l = isoTimes.length; i < l; i++) {
+                if (isoTimes[i][1].exec(match[3])) {
+                    // match[2] should be 'T' or space
+                    timeFormat = (match[2] || ' ') + isoTimes[i][0];
                     break;
                 }
             }
-            if (dateFormat == null) {
+            if (timeFormat == null) {
                 config._isValid = false;
                 return;
             }
-            if (match[3]) {
-                for (i = 0, l = isoTimes.length; i < l; i++) {
-                    if (isoTimes[i][1].exec(match[3])) {
-                        // match[2] should be 'T' or space
-                        timeFormat = (match[2] || ' ') + isoTimes[i][0];
-                        break;
-                    }
-                }
-                if (timeFormat == null) {
-                    config._isValid = false;
-                    return;
-                }
-            }
-            if (!allowTime && timeFormat != null) {
+        }
+        if (!allowTime && timeFormat != null) {
+            config._isValid = false;
+            return;
+        }
+        if (match[4]) {
+            if (tzRegex.exec(match[4])) {
+                tzFormat = 'Z';
+            } else {
                 config._isValid = false;
                 return;
             }
-            if (match[4]) {
-                if (tzRegex.exec(match[4])) {
-                    tzFormat = 'Z';
-                } else {
-                    config._isValid = false;
-                    return;
-                }
-            }
-            config._f = dateFormat + (timeFormat || '') + (tzFormat || '');
-            configFromStringAndFormat(config);
-        } else {
-            config._isValid = false;
         }
+        config._f = dateFormat + (timeFormat || '') + (tzFormat || '');
+        configFromStringAndFormat(config);
+    } else {
+        config._isValid = false;
     }
+}
 
-    // date from iso format or fallback
-    function configFromString(config) {
-        var matched = aspNetJsonRegex.exec(config._i);
+// RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3
+var rfc2822 = /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\d{4}))$/;
 
-        if (matched !== null) {
-            config._d = new Date(+matched[1]);
-            return;
-        }
+function extractFromRFC2822Strings(yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr) {
+    var result = [
+        untruncateYear(yearStr),
+        defaultLocaleMonthsShort.indexOf(monthStr),
+        parseInt(dayStr, 10),
+        parseInt(hourStr, 10),
+        parseInt(minuteStr, 10)
+    ];
 
-        configFromISO(config);
-        if (config._isValid === false) {
-            delete config._isValid;
-            utils_hooks__hooks.createFromInputFallback(config);
-        }
+    if (secondStr) {
+        result.push(parseInt(secondStr, 10));
     }
 
-    utils_hooks__hooks.createFromInputFallback = deprecate(
-        'value provided is not in a recognized ISO format. moment construction falls back to js Date(), ' +
-        'which is not reliable across all browsers and versions. Non ISO date formats are ' +
-        'discouraged and will be removed in an upcoming major release. Please refer to ' +
-        'http://momentjs.com/guides/#/warnings/js-date/ for more info.',
-        function (config) {
-            config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));
-        }
-    );
+    return result;
+}
 
-    // Pick the first defined of two or three arguments.
-    function defaults(a, b, c) {
-        if (a != null) {
-            return a;
-        }
-        if (b != null) {
-            return b;
-        }
-        return c;
+function untruncateYear(yearStr) {
+    var year = parseInt(yearStr, 10);
+    if (year <= 49) {
+        return 2000 + year;
+    } else if (year <= 999) {
+        return 1900 + year;
     }
+    return year;
+}
+
+function preprocessRFC2822(s) {
+    // Remove comments and folding whitespace and replace multiple-spaces with a single space
+    return s.replace(/\([^)]*\)|[\n\t]/g, ' ').replace(/(\s\s+)/g, ' ').trim();
+}
 
-    function currentDateArray(config) {
-        // hooks is actually the exported moment object
-        var nowValue = new Date(utils_hooks__hooks.now());
-        if (config._useUTC) {
-            return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()];
+function checkWeekday(weekdayStr, parsedInput, config) {
+    if (weekdayStr) {
+        // TODO: Replace the vanilla JS Date object with an indepentent day-of-week check.
+        var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr),
+            weekdayActual = new Date(parsedInput[0], parsedInput[1], parsedInput[2]).getDay();
+        if (weekdayProvided !== weekdayActual) {
+            getParsingFlags(config).weekdayMismatch = true;
+            config._isValid = false;
+            return false;
         }
-        return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];
     }
+    return true;
+}
 
-    // convert an array to a date.
-    // the array should mirror the parameters below
-    // note: all values past the year are optional and will default to the lowest possible value.
-    // [year, month, day , hour, minute, second, millisecond]
-    function configFromArray (config) {
-        var i, date, input = [], currentDate, yearToUse;
-
-        if (config._d) {
-            return;
-        }
+var obsOffsets = {
+    UT: 0,
+    GMT: 0,
+    EDT: -4 * 60,
+    EST: -5 * 60,
+    CDT: -5 * 60,
+    CST: -6 * 60,
+    MDT: -6 * 60,
+    MST: -7 * 60,
+    PDT: -7 * 60,
+    PST: -8 * 60
+};
 
-        currentDate = currentDateArray(config);
+function calculateOffset(obsOffset, militaryOffset, numOffset) {
+    if (obsOffset) {
+        return obsOffsets[obsOffset];
+    } else if (militaryOffset) {
+        // the only allowed military tz is Z
+        return 0;
+    } else {
+        var hm = parseInt(numOffset, 10);
+        var m = hm % 100, h = (hm - m) / 100;
+        return h * 60 + m;
+    }
+}
 
-        //compute day of the year from weeks and weekdays
-        if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {
-            dayOfYearFromWeekInfo(config);
+// date and time from ref 2822 format
+function configFromRFC2822(config) {
+    var match = rfc2822.exec(preprocessRFC2822(config._i));
+    if (match) {
+        var parsedArray = extractFromRFC2822Strings(match[4], match[3], match[2], match[5], match[6], match[7]);
+        if (!checkWeekday(match[1], parsedArray, config)) {
+            return;
         }
 
-        //if the day of the year is set, figure out what it is
-        if (config._dayOfYear) {
-            yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);
+        config._a = parsedArray;
+        config._tzm = calculateOffset(match[8], match[9], match[10]);
 
-            if (config._dayOfYear > daysInYear(yearToUse)) {
-                getParsingFlags(config)._overflowDayOfYear = true;
-            }
-
-            date = createUTCDate(yearToUse, 0, config._dayOfYear);
-            config._a[MONTH] = date.getUTCMonth();
-            config._a[DATE] = date.getUTCDate();
-        }
+        config._d = createUTCDate.apply(null, config._a);
+        config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
 
-        // Default to current date.
-        // * if no year, month, day of month are given, default to today
-        // * if day of month is given, default month and year
-        // * if month is given, default only year
-        // * if year is given, don't default anything
-        for (i = 0; i < 3 && config._a[i] == null; ++i) {
-            config._a[i] = input[i] = currentDate[i];
-        }
+        getParsingFlags(config).rfc2822 = true;
+    } else {
+        config._isValid = false;
+    }
+}
 
-        // Zero out whatever was not defaulted, including time
-        for (; i < 7; i++) {
-            config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];
-        }
+// date from iso format or fallback
+function configFromString(config) {
+    var matched = aspNetJsonRegex.exec(config._i);
 
-        // Check for 24:00:00.000
-        if (config._a[HOUR] === 24 &&
-                config._a[MINUTE] === 0 &&
-                config._a[SECOND] === 0 &&
-                config._a[MILLISECOND] === 0) {
-            config._nextDay = true;
-            config._a[HOUR] = 0;
-        }
+    if (matched !== null) {
+        config._d = new Date(+matched[1]);
+        return;
+    }
 
-        config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);
-        // Apply timezone offset from input. The actual utcOffset can be changed
-        // with parseZone.
-        if (config._tzm != null) {
-            config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
-        }
+    configFromISO(config);
+    if (config._isValid === false) {
+        delete config._isValid;
+    } else {
+        return;
+    }
 
-        if (config._nextDay) {
-            config._a[HOUR] = 24;
-        }
+    configFromRFC2822(config);
+    if (config._isValid === false) {
+        delete config._isValid;
+    } else {
+        return;
     }
 
-    function dayOfYearFromWeekInfo(config) {
-        var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow;
+    // Final attempt, use Input Fallback
+    hooks.createFromInputFallback(config);
+}
 
-        w = config._w;
-        if (w.GG != null || w.W != null || w.E != null) {
-            dow = 1;
-            doy = 4;
+hooks.createFromInputFallback = deprecate(
+    'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' +
+    'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' +
+    'discouraged and will be removed in an upcoming major release. Please refer to ' +
+    'http://momentjs.com/guides/#/warnings/js-date/ for more info.',
+    function (config) {
+        config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));
+    }
+);
 
-            // TODO: We need to take the current isoWeekYear, but that depends on
-            // how we interpret now (local, utc, fixed offset). So create
-            // a now version of current config (take local/utc/offset flags, and
-            // create now).
-            weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(local__createLocal(), 1, 4).year);
-            week = defaults(w.W, 1);
-            weekday = defaults(w.E, 1);
-            if (weekday < 1 || weekday > 7) {
-                weekdayOverflow = true;
-            }
-        } else {
-            dow = config._locale._week.dow;
-            doy = config._locale._week.doy;
+// constant that refers to the ISO standard
+hooks.ISO_8601 = function () {};
 
-            weekYear = defaults(w.gg, config._a[YEAR], weekOfYear(local__createLocal(), dow, doy).year);
-            week = defaults(w.w, 1);
+// constant that refers to the RFC 2822 form
+hooks.RFC_2822 = function () {};
 
-            if (w.d != null) {
-                // weekday -- low day numbers are considered next week
-                weekday = w.d;
-                if (weekday < 0 || weekday > 6) {
-                    weekdayOverflow = true;
-                }
-            } else if (w.e != null) {
-                // local weekday -- counting starts from begining of week
-                weekday = w.e + dow;
-                if (w.e < 0 || w.e > 6) {
-                    weekdayOverflow = true;
-                }
-            } else {
-                // default to begining of week
-                weekday = dow;
+// date from string and format string
+function configFromStringAndFormat(config) {
+    // TODO: Move this to another part of the creation flow to prevent circular deps
+    if (config._f === hooks.ISO_8601) {
+        configFromISO(config);
+        return;
+    }
+    if (config._f === hooks.RFC_2822) {
+        configFromRFC2822(config);
+        return;
+    }
+    config._a = [];
+    getParsingFlags(config).empty = true;
+
+    // This array is used to make a Date, either with `new Date` or `Date.UTC`
+    var string = '' + config._i,
+        i, parsedInput, tokens, token, skipped,
+        stringLength = string.length,
+        totalParsedInputLength = 0;
+
+    tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];
+
+    for (i = 0; i < tokens.length; i++) {
+        token = tokens[i];
+        parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];
+        // console.log('token', token, 'parsedInput', parsedInput,
+        //         'regex', getParseRegexForToken(token, config));
+        if (parsedInput) {
+            skipped = string.substr(0, string.indexOf(parsedInput));
+            if (skipped.length > 0) {
+                getParsingFlags(config).unusedInput.push(skipped);
             }
+            string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
+            totalParsedInputLength += parsedInput.length;
         }
-        if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {
-            getParsingFlags(config)._overflowWeeks = true;
-        } else if (weekdayOverflow != null) {
-            getParsingFlags(config)._overflowWeekday = true;
-        } else {
-            temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);
-            config._a[YEAR] = temp.year;
-            config._dayOfYear = temp.dayOfYear;
-        }
-    }
-
-    // constant that refers to the ISO standard
-    utils_hooks__hooks.ISO_8601 = function () {};
-
-    // date from string and format string
-    function configFromStringAndFormat(config) {
-        // TODO: Move this to another part of the creation flow to prevent circular deps
-        if (config._f === utils_hooks__hooks.ISO_8601) {
-            configFromISO(config);
-            return;
-        }
-
-        config._a = [];
-        getParsingFlags(config).empty = true;
-
-        // This array is used to make a Date, either with `new Date` or `Date.UTC`
-        var string = '' + config._i,
-            i, parsedInput, tokens, token, skipped,
-            stringLength = string.length,
-            totalParsedInputLength = 0;
-
-        tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];
-
-        for (i = 0; i < tokens.length; i++) {
-            token = tokens[i];
-            parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];
-            // console.log('token', token, 'parsedInput', parsedInput,
-            //         'regex', getParseRegexForToken(token, config));
+        // don't parse if it's not a known token
+        if (formatTokenFunctions[token]) {
             if (parsedInput) {
-                skipped = string.substr(0, string.indexOf(parsedInput));
-                if (skipped.length > 0) {
-                    getParsingFlags(config).unusedInput.push(skipped);
-                }
-                string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
-                totalParsedInputLength += parsedInput.length;
+                getParsingFlags(config).empty = false;
             }
-            // don't parse if it's not a known token
-            if (formatTokenFunctions[token]) {
-                if (parsedInput) {
-                    getParsingFlags(config).empty = false;
-                }
-                else {
-                    getParsingFlags(config).unusedTokens.push(token);
-                }
-                addTimeToArrayFromToken(token, parsedInput, config);
-            }
-            else if (config._strict && !parsedInput) {
+            else {
                 getParsingFlags(config).unusedTokens.push(token);
             }
+            addTimeToArrayFromToken(token, parsedInput, config);
         }
-
-        // add remaining unparsed input length to the string
-        getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;
-        if (string.length > 0) {
-            getParsingFlags(config).unusedInput.push(string);
-        }
-
-        // clear _12h flag if hour is <= 12
-        if (config._a[HOUR] <= 12 &&
-            getParsingFlags(config).bigHour === true &&
-            config._a[HOUR] > 0) {
-            getParsingFlags(config).bigHour = undefined;
+        else if (config._strict && !parsedInput) {
+            getParsingFlags(config).unusedTokens.push(token);
         }
+    }
 
-        getParsingFlags(config).parsedDateParts = config._a.slice(0);
-        getParsingFlags(config).meridiem = config._meridiem;
-        // handle meridiem
-        config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);
+    // add remaining unparsed input length to the string
+    getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;
+    if (string.length > 0) {
+        getParsingFlags(config).unusedInput.push(string);
+    }
 
-        configFromArray(config);
-        checkOverflow(config);
+    // clear _12h flag if hour is <= 12
+    if (config._a[HOUR] <= 12 &&
+        getParsingFlags(config).bigHour === true &&
+        config._a[HOUR] > 0) {
+        getParsingFlags(config).bigHour = undefined;
     }
 
+    getParsingFlags(config).parsedDateParts = config._a.slice(0);
+    getParsingFlags(config).meridiem = config._meridiem;
+    // handle meridiem
+    config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);
+
+    configFromArray(config);
+    checkOverflow(config);
+}
+
 
-    function meridiemFixWrap (locale, hour, meridiem) {
-        var isPm;
+function meridiemFixWrap (locale, hour, meridiem) {
+    var isPm;
 
-        if (meridiem == null) {
-            // nothing to do
-            return hour;
+    if (meridiem == null) {
+        // nothing to do
+        return hour;
+    }
+    if (locale.meridiemHour != null) {
+        return locale.meridiemHour(hour, meridiem);
+    } else if (locale.isPM != null) {
+        // Fallback
+        isPm = locale.isPM(meridiem);
+        if (isPm && hour < 12) {
+            hour += 12;
         }
-        if (locale.meridiemHour != null) {
-            return locale.meridiemHour(hour, meridiem);
-        } else if (locale.isPM != null) {
-            // Fallback
-            isPm = locale.isPM(meridiem);
-            if (isPm && hour < 12) {
-                hour += 12;
-            }
-            if (!isPm && hour === 12) {
-                hour = 0;
-            }
-            return hour;
-        } else {
-            // this is not supposed to happen
-            return hour;
+        if (!isPm && hour === 12) {
+            hour = 0;
         }
+        return hour;
+    } else {
+        // this is not supposed to happen
+        return hour;
     }
+}
 
-    // date from string and array of format strings
-    function configFromStringAndArray(config) {
-        var tempConfig,
-            bestMoment,
+// date from string and array of format strings
+function configFromStringAndArray(config) {
+    var tempConfig,
+        bestMoment,
 
-            scoreToBeat,
-            i,
-            currentScore;
+        scoreToBeat,
+        i,
+        currentScore;
 
-        if (config._f.length === 0) {
-            getParsingFlags(config).invalidFormat = true;
-            config._d = new Date(NaN);
-            return;
-        }
+    if (config._f.length === 0) {
+        getParsingFlags(config).invalidFormat = true;
+        config._d = new Date(NaN);
+        return;
+    }
 
-        for (i = 0; i < config._f.length; i++) {
-            currentScore = 0;
-            tempConfig = copyConfig({}, config);
-            if (config._useUTC != null) {
-                tempConfig._useUTC = config._useUTC;
-            }
-            tempConfig._f = config._f[i];
-            configFromStringAndFormat(tempConfig);
+    for (i = 0; i < config._f.length; i++) {
+        currentScore = 0;
+        tempConfig = copyConfig({}, config);
+        if (config._useUTC != null) {
+            tempConfig._useUTC = config._useUTC;
+        }
+        tempConfig._f = config._f[i];
+        configFromStringAndFormat(tempConfig);
 
-            if (!valid__isValid(tempConfig)) {
-                continue;
-            }
+        if (!isValid(tempConfig)) {
+            continue;
+        }
 
-            // if there is any input that was not parsed add a penalty for that format
-            currentScore += getParsingFlags(tempConfig).charsLeftOver;
+        // if there is any input that was not parsed add a penalty for that format
+        currentScore += getParsingFlags(tempConfig).charsLeftOver;
 
-            //or tokens
-            currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;
+        //or tokens
+        currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;
 
-            getParsingFlags(tempConfig).score = currentScore;
+        getParsingFlags(tempConfig).score = currentScore;
 
-            if (scoreToBeat == null || currentScore < scoreToBeat) {
-                scoreToBeat = currentScore;
-                bestMoment = tempConfig;
-            }
+        if (scoreToBeat == null || currentScore < scoreToBeat) {
+            scoreToBeat = currentScore;
+            bestMoment = tempConfig;
         }
-
-        extend(config, bestMoment || tempConfig);
     }
 
-    function configFromObject(config) {
-        if (config._d) {
-            return;
-        }
-
-        var i = normalizeObjectUnits(config._i);
-        config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) {
-            return obj && parseInt(obj, 10);
-        });
+    extend(config, bestMoment || tempConfig);
+}
 
-        configFromArray(config);
+function configFromObject(config) {
+    if (config._d) {
+        return;
     }
 
-    function createFromConfig (config) {
-        var res = new Moment(checkOverflow(prepareConfig(config)));
-        if (res._nextDay) {
-            // Adding is smart enough around DST
-            res.add(1, 'd');
-            res._nextDay = undefined;
-        }
+    var i = normalizeObjectUnits(config._i);
+    config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) {
+        return obj && parseInt(obj, 10);
+    });
 
-        return res;
-    }
+    configFromArray(config);
+}
 
-    function prepareConfig (config) {
-        var input = config._i,
-            format = config._f;
+function createFromConfig (config) {
+    var res = new Moment(checkOverflow(prepareConfig(config)));
+    if (res._nextDay) {
+        // Adding is smart enough around DST
+        res.add(1, 'd');
+        res._nextDay = undefined;
+    }
 
-        config._locale = config._locale || locale_locales__getLocale(config._l);
+    return res;
+}
 
-        if (input === null || (format === undefined && input === '')) {
-            return valid__createInvalid({nullInput: true});
-        }
+function prepareConfig (config) {
+    var input = config._i,
+        format = config._f;
 
-        if (typeof input === 'string') {
-            config._i = input = config._locale.preparse(input);
-        }
+    config._locale = config._locale || getLocale(config._l);
 
-        if (isMoment(input)) {
-            return new Moment(checkOverflow(input));
-        } else if (isArray(format)) {
-            configFromStringAndArray(config);
-        } else if (isDate(input)) {
-            config._d = input;
-        } else if (format) {
-            configFromStringAndFormat(config);
-        }  else {
-            configFromInput(config);
-        }
+    if (input === null || (format === undefined && input === '')) {
+        return createInvalid({nullInput: true});
+    }
 
-        if (!valid__isValid(config)) {
-            config._d = null;
-        }
+    if (typeof input === 'string') {
+        config._i = input = config._locale.preparse(input);
+    }
 
-        return config;
+    if (isMoment(input)) {
+        return new Moment(checkOverflow(input));
+    } else if (isDate(input)) {
+        config._d = input;
+    } else if (isArray(format)) {
+        configFromStringAndArray(config);
+    } else if (format) {
+        configFromStringAndFormat(config);
+    }  else {
+        configFromInput(config);
     }
 
-    function configFromInput(config) {
-        var input = config._i;
-        if (input === undefined) {
-            config._d = new Date(utils_hooks__hooks.now());
-        } else if (isDate(input)) {
-            config._d = new Date(input.valueOf());
-        } else if (typeof input === 'string') {
-            configFromString(config);
-        } else if (isArray(input)) {
-            config._a = map(input.slice(0), function (obj) {
-                return parseInt(obj, 10);
-            });
-            configFromArray(config);
-        } else if (typeof(input) === 'object') {
-            configFromObject(config);
-        } else if (typeof(input) === 'number') {
-            // from milliseconds
-            config._d = new Date(input);
-        } else {
-            utils_hooks__hooks.createFromInputFallback(config);
-        }
+    if (!isValid(config)) {
+        config._d = null;
     }
 
-    function createLocalOrUTC (input, format, locale, strict, isUTC) {
-        var c = {};
+    return config;
+}
 
-        if (typeof(locale) === 'boolean') {
-            strict = locale;
-            locale = undefined;
-        }
+function configFromInput(config) {
+    var input = config._i;
+    if (isUndefined(input)) {
+        config._d = new Date(hooks.now());
+    } else if (isDate(input)) {
+        config._d = new Date(input.valueOf());
+    } else if (typeof input === 'string') {
+        configFromString(config);
+    } else if (isArray(input)) {
+        config._a = map(input.slice(0), function (obj) {
+            return parseInt(obj, 10);
+        });
+        configFromArray(config);
+    } else if (isObject(input)) {
+        configFromObject(config);
+    } else if (isNumber(input)) {
+        // from milliseconds
+        config._d = new Date(input);
+    } else {
+        hooks.createFromInputFallback(config);
+    }
+}
 
-        if ((isObject(input) && isObjectEmpty(input)) ||
-                (isArray(input) && input.length === 0)) {
-            input = undefined;
-        }
-        // object construction must be done this way.
-        // https://github.com/moment/moment/issues/1423
-        c._isAMomentObject = true;
-        c._useUTC = c._isUTC = isUTC;
-        c._l = locale;
-        c._i = input;
-        c._f = format;
-        c._strict = strict;
+function createLocalOrUTC (input, format, locale, strict, isUTC) {
+    var c = {};
 
-        return createFromConfig(c);
+    if (locale === true || locale === false) {
+        strict = locale;
+        locale = undefined;
     }
 
-    function local__createLocal (input, format, locale, strict) {
-        return createLocalOrUTC(input, format, locale, strict, false);
+    if ((isObject(input) && isObjectEmpty(input)) ||
+            (isArray(input) && input.length === 0)) {
+        input = undefined;
     }
+    // object construction must be done this way.
+    // https://github.com/moment/moment/issues/1423
+    c._isAMomentObject = true;
+    c._useUTC = c._isUTC = isUTC;
+    c._l = locale;
+    c._i = input;
+    c._f = format;
+    c._strict = strict;
 
-    var prototypeMin = deprecate(
-        'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',
-        function () {
-            var other = local__createLocal.apply(null, arguments);
-            if (this.isValid() && other.isValid()) {
-                return other < this ? this : other;
-            } else {
-                return valid__createInvalid();
-            }
-        }
-    );
+    return createFromConfig(c);
+}
 
-    var prototypeMax = deprecate(
-        'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',
-        function () {
-            var other = local__createLocal.apply(null, arguments);
-            if (this.isValid() && other.isValid()) {
-                return other > this ? this : other;
-            } else {
-                return valid__createInvalid();
-            }
-        }
-    );
+function createLocal (input, format, locale, strict) {
+    return createLocalOrUTC(input, format, locale, strict, false);
+}
 
-    // Pick a moment m from moments so that m[fn](other) is true for all
-    // other. This relies on the function fn to be transitive.
-    //
-    // moments should either be an array of moment objects or an array, whose
-    // first element is an array of moment objects.
-    function pickBy(fn, moments) {
-        var res, i;
-        if (moments.length === 1 && isArray(moments[0])) {
-            moments = moments[0];
+var prototypeMin = deprecate(
+    'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',
+    function () {
+        var other = createLocal.apply(null, arguments);
+        if (this.isValid() && other.isValid()) {
+            return other < this ? this : other;
+        } else {
+            return createInvalid();
         }
-        if (!moments.length) {
-            return local__createLocal();
+    }
+);
+
+var prototypeMax = deprecate(
+    'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',
+    function () {
+        var other = createLocal.apply(null, arguments);
+        if (this.isValid() && other.isValid()) {
+            return other > this ? this : other;
+        } else {
+            return createInvalid();
         }
-        res = moments[0];
-        for (i = 1; i < moments.length; ++i) {
-            if (!moments[i].isValid() || moments[i][fn](res)) {
-                res = moments[i];
-            }
+    }
+);
+
+// Pick a moment m from moments so that m[fn](other) is true for all
+// other. This relies on the function fn to be transitive.
+//
+// moments should either be an array of moment objects or an array, whose
+// first element is an array of moment objects.
+function pickBy(fn, moments) {
+    var res, i;
+    if (moments.length === 1 && isArray(moments[0])) {
+        moments = moments[0];
+    }
+    if (!moments.length) {
+        return createLocal();
+    }
+    res = moments[0];
+    for (i = 1; i < moments.length; ++i) {
+        if (!moments[i].isValid() || moments[i][fn](res)) {
+            res = moments[i];
         }
-        return res;
     }
+    return res;
+}
 
-    // TODO: Use [].sort instead?
-    function min () {
-        var args = [].slice.call(arguments, 0);
+// TODO: Use [].sort instead?
+function min () {
+    var args = [].slice.call(arguments, 0);
 
-        return pickBy('isBefore', args);
-    }
+    return pickBy('isBefore', args);
+}
 
-    function max () {
-        var args = [].slice.call(arguments, 0);
+function max () {
+    var args = [].slice.call(arguments, 0);
 
-        return pickBy('isAfter', args);
-    }
+    return pickBy('isAfter', args);
+}
 
-    var now = function () {
-        return Date.now ? Date.now() : +(new Date());
-    };
+var now = function () {
+    return Date.now ? Date.now() : +(new Date());
+};
 
-    function Duration (duration) {
-        var normalizedInput = normalizeObjectUnits(duration),
-            years = normalizedInput.year || 0,
-            quarters = normalizedInput.quarter || 0,
-            months = normalizedInput.month || 0,
-            weeks = normalizedInput.week || 0,
-            days = normalizedInput.day || 0,
-            hours = normalizedInput.hour || 0,
-            minutes = normalizedInput.minute || 0,
-            seconds = normalizedInput.second || 0,
-            milliseconds = normalizedInput.millisecond || 0;
-
-        // representation for dateAddRemove
-        this._milliseconds = +milliseconds +
-            seconds * 1e3 + // 1000
-            minutes * 6e4 + // 1000 * 60
-            hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978
-        // Because of dateAddRemove treats 24 hours as different from a
-        // day when working around DST, we need to store them separately
-        this._days = +days +
-            weeks * 7;
-        // It is impossible translate months into days without knowing
-        // which months you are are talking about, so we have to store
-        // it separately.
-        this._months = +months +
-            quarters * 3 +
-            years * 12;
-
-        this._data = {};
-
-        this._locale = locale_locales__getLocale();
-
-        this._bubble();
-    }
-
-    function isDuration (obj) {
-        return obj instanceof Duration;
-    }
-
-    function absRound (number) {
-        if (number < 0) {
-            return Math.round(-1 * number) * -1;
-        } else {
-            return Math.round(number);
+var ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond'];
+
+function isDurationValid(m) {
+    for (var key in m) {
+        if (!(indexOf.call(ordering, key) !== -1 && (m[key] == null || !isNaN(m[key])))) {
+            return false;
         }
     }
 
-    // FORMATTING
-
-    function offset (token, separator) {
-        addFormatToken(token, 0, 0, function () {
-            var offset = this.utcOffset();
-            var sign = '+';
-            if (offset < 0) {
-                offset = -offset;
-                sign = '-';
+    var unitHasDecimal = false;
+    for (var i = 0; i < ordering.length; ++i) {
+        if (m[ordering[i]]) {
+            if (unitHasDecimal) {
+                return false; // only allow non-integers for smallest unit
             }
-            return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);
-        });
+            if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {
+                unitHasDecimal = true;
+            }
+        }
     }
 
-    offset('Z', ':');
-    offset('ZZ', '');
-
-    // PARSING
+    return true;
+}
 
-    addRegexToken('Z',  matchShortOffset);
-    addRegexToken('ZZ', matchShortOffset);
-    addParseToken(['Z', 'ZZ'], function (input, array, config) {
-        config._useUTC = true;
-        config._tzm = offsetFromString(matchShortOffset, input);
-    });
+function isValid$1() {
+    return this._isValid;
+}
 
-    // HELPERS
+function createInvalid$1() {
+    return createDuration(NaN);
+}
 
-    // timezone chunker
-    // '+10:00' > ['10',  '00']
-    // '-1530'  > ['-15', '30']
-    var chunkOffset = /([\+\-]|\d\d)/gi;
+function Duration (duration) {
+    var normalizedInput = normalizeObjectUnits(duration),
+        years = normalizedInput.year || 0,
+        quarters = normalizedInput.quarter || 0,
+        months = normalizedInput.month || 0,
+        weeks = normalizedInput.week || 0,
+        days = normalizedInput.day || 0,
+        hours = normalizedInput.hour || 0,
+        minutes = normalizedInput.minute || 0,
+        seconds = normalizedInput.second || 0,
+        milliseconds = normalizedInput.millisecond || 0;
+
+    this._isValid = isDurationValid(normalizedInput);
+
+    // representation for dateAddRemove
+    this._milliseconds = +milliseconds +
+        seconds * 1e3 + // 1000
+        minutes * 6e4 + // 1000 * 60
+        hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978
+    // Because of dateAddRemove treats 24 hours as different from a
+    // day when working around DST, we need to store them separately
+    this._days = +days +
+        weeks * 7;
+    // It is impossible to translate months into days without knowing
+    // which months you are are talking about, so we have to store
+    // it separately.
+    this._months = +months +
+        quarters * 3 +
+        years * 12;
+
+    this._data = {};
+
+    this._locale = getLocale();
+
+    this._bubble();
+}
 
-    function offsetFromString(matcher, string) {
-        var matches = ((string || '').match(matcher) || []);
-        var chunk   = matches[matches.length - 1] || [];
-        var parts   = (chunk + '').match(chunkOffset) || ['-', 0, 0];
-        var minutes = +(parts[1] * 60) + toInt(parts[2]);
+function isDuration (obj) {
+    return obj instanceof Duration;
+}
 
-        return parts[0] === '+' ? minutes : -minutes;
+function absRound (number) {
+    if (number < 0) {
+        return Math.round(-1 * number) * -1;
+    } else {
+        return Math.round(number);
     }
+}
 
-    // Return a moment from input, that is local/utc/zone equivalent to model.
-    function cloneWithOffset(input, model) {
-        var res, diff;
-        if (model._isUTC) {
-            res = model.clone();
-            diff = (isMoment(input) || isDate(input) ? input.valueOf() : local__createLocal(input).valueOf()) - res.valueOf();
-            // Use low-level api, because this fn is low-level api.
-            res._d.setTime(res._d.valueOf() + diff);
-            utils_hooks__hooks.updateOffset(res, false);
-            return res;
-        } else {
-            return local__createLocal(input).local();
-        }
-    }
+// FORMATTING
 
-    function getDateOffset (m) {
-        // On Firefox.24 Date#getTimezoneOffset returns a floating point.
-        // https://github.com/moment/moment/pull/1871
-        return -Math.round(m._d.getTimezoneOffset() / 15) * 15;
-    }
+function offset (token, separator) {
+    addFormatToken(token, 0, 0, function () {
+        var offset = this.utcOffset();
+        var sign = '+';
+        if (offset < 0) {
+            offset = -offset;
+            sign = '-';
+        }
+        return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);
+    });
+}
 
-    // HOOKS
+offset('Z', ':');
+offset('ZZ', '');
 
-    // This function will be called whenever a moment is mutated.
-    // It is intended to keep the offset in sync with the timezone.
-    utils_hooks__hooks.updateOffset = function () {};
+// PARSING
 
-    // MOMENTS
+addRegexToken('Z',  matchShortOffset);
+addRegexToken('ZZ', matchShortOffset);
+addParseToken(['Z', 'ZZ'], function (input, array, config) {
+    config._useUTC = true;
+    config._tzm = offsetFromString(matchShortOffset, input);
+});
 
-    // keepLocalTime = true means only change the timezone, without
-    // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->
-    // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset
-    // +0200, so we adjust the time as needed, to be valid.
-    //
-    // Keeping the time actually adds/subtracts (one hour)
-    // from the actual represented time. That is why we call updateOffset
-    // a second time. In case it wants us to change the offset again
-    // _changeInProgress == true case, then we have to adjust, because
-    // there is no such time in the given timezone.
-    function getSetOffset (input, keepLocalTime) {
-        var offset = this._offset || 0,
-            localAdjust;
-        if (!this.isValid()) {
-            return input != null ? this : NaN;
-        }
-        if (input != null) {
-            if (typeof input === 'string') {
-                input = offsetFromString(matchShortOffset, input);
-            } else if (Math.abs(input) < 16) {
-                input = input * 60;
-            }
-            if (!this._isUTC && keepLocalTime) {
-                localAdjust = getDateOffset(this);
-            }
-            this._offset = input;
-            this._isUTC = true;
-            if (localAdjust != null) {
-                this.add(localAdjust, 'm');
-            }
-            if (offset !== input) {
-                if (!keepLocalTime || this._changeInProgress) {
-                    add_subtract__addSubtract(this, create__createDuration(input - offset, 'm'), 1, false);
-                } else if (!this._changeInProgress) {
-                    this._changeInProgress = true;
-                    utils_hooks__hooks.updateOffset(this, true);
-                    this._changeInProgress = null;
-                }
-            }
-            return this;
-        } else {
-            return this._isUTC ? offset : getDateOffset(this);
-        }
-    }
+// HELPERS
 
-    function getSetZone (input, keepLocalTime) {
-        if (input != null) {
-            if (typeof input !== 'string') {
-                input = -input;
-            }
+// timezone chunker
+// '+10:00' > ['10',  '00']
+// '-1530'  > ['-15', '30']
+var chunkOffset = /([\+\-]|\d\d)/gi;
 
-            this.utcOffset(input, keepLocalTime);
+function offsetFromString(matcher, string) {
+    var matches = (string || '').match(matcher);
 
-            return this;
-        } else {
-            return -this.utcOffset();
-        }
+    if (matches === null) {
+        return null;
     }
 
-    function setOffsetToUTC (keepLocalTime) {
-        return this.utcOffset(0, keepLocalTime);
-    }
+    var chunk   = matches[matches.length - 1] || [];
+    var parts   = (chunk + '').match(chunkOffset) || ['-', 0, 0];
+    var minutes = +(parts[1] * 60) + toInt(parts[2]);
 
-    function setOffsetToLocal (keepLocalTime) {
-        if (this._isUTC) {
-            this.utcOffset(0, keepLocalTime);
-            this._isUTC = false;
+    return minutes === 0 ?
+      0 :
+      parts[0] === '+' ? minutes : -minutes;
+}
 
-            if (keepLocalTime) {
-                this.subtract(getDateOffset(this), 'm');
-            }
-        }
-        return this;
+// Return a moment from input, that is local/utc/zone equivalent to model.
+function cloneWithOffset(input, model) {
+    var res, diff;
+    if (model._isUTC) {
+        res = model.clone();
+        diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf();
+        // Use low-level api, because this fn is low-level api.
+        res._d.setTime(res._d.valueOf() + diff);
+        hooks.updateOffset(res, false);
+        return res;
+    } else {
+        return createLocal(input).local();
     }
+}
 
-    function setOffsetToParsedOffset () {
-        if (this._tzm) {
-            this.utcOffset(this._tzm);
-        } else if (typeof this._i === 'string') {
-            var tZone = offsetFromString(matchOffset, this._i);
+function getDateOffset (m) {
+    // On Firefox.24 Date#getTimezoneOffset returns a floating point.
+    // https://github.com/moment/moment/pull/1871
+    return -Math.round(m._d.getTimezoneOffset() / 15) * 15;
+}
 
-            if (tZone === 0) {
-                this.utcOffset(0, true);
-            } else {
-                this.utcOffset(offsetFromString(matchOffset, this._i));
+// HOOKS
+
+// This function will be called whenever a moment is mutated.
+// It is intended to keep the offset in sync with the timezone.
+hooks.updateOffset = function () {};
+
+// MOMENTS
+
+// keepLocalTime = true means only change the timezone, without
+// affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->
+// 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset
+// +0200, so we adjust the time as needed, to be valid.
+//
+// Keeping the time actually adds/subtracts (one hour)
+// from the actual represented time. That is why we call updateOffset
+// a second time. In case it wants us to change the offset again
+// _changeInProgress == true case, then we have to adjust, because
+// there is no such time in the given timezone.
+function getSetOffset (input, keepLocalTime, keepMinutes) {
+    var offset = this._offset || 0,
+        localAdjust;
+    if (!this.isValid()) {
+        return input != null ? this : NaN;
+    }
+    if (input != null) {
+        if (typeof input === 'string') {
+            input = offsetFromString(matchShortOffset, input);
+            if (input === null) {
+                return this;
+            }
+        } else if (Math.abs(input) < 16 && !keepMinutes) {
+            input = input * 60;
+        }
+        if (!this._isUTC && keepLocalTime) {
+            localAdjust = getDateOffset(this);
+        }
+        this._offset = input;
+        this._isUTC = true;
+        if (localAdjust != null) {
+            this.add(localAdjust, 'm');
+        }
+        if (offset !== input) {
+            if (!keepLocalTime || this._changeInProgress) {
+                addSubtract(this, createDuration(input - offset, 'm'), 1, false);
+            } else if (!this._changeInProgress) {
+                this._changeInProgress = true;
+                hooks.updateOffset(this, true);
+                this._changeInProgress = null;
             }
         }
         return this;
+    } else {
+        return this._isUTC ? offset : getDateOffset(this);
     }
+}
 
-    function hasAlignedHourOffset (input) {
-        if (!this.isValid()) {
-            return false;
+function getSetZone (input, keepLocalTime) {
+    if (input != null) {
+        if (typeof input !== 'string') {
+            input = -input;
         }
-        input = input ? local__createLocal(input).utcOffset() : 0;
 
-        return (this.utcOffset() - input) % 60 === 0;
+        this.utcOffset(input, keepLocalTime);
+
+        return this;
+    } else {
+        return -this.utcOffset();
     }
+}
+
+function setOffsetToUTC (keepLocalTime) {
+    return this.utcOffset(0, keepLocalTime);
+}
 
-    function isDaylightSavingTime () {
-        return (
-            this.utcOffset() > this.clone().month(0).utcOffset() ||
-            this.utcOffset() > this.clone().month(5).utcOffset()
-        );
+function setOffsetToLocal (keepLocalTime) {
+    if (this._isUTC) {
+        this.utcOffset(0, keepLocalTime);
+        this._isUTC = false;
+
+        if (keepLocalTime) {
+            this.subtract(getDateOffset(this), 'm');
+        }
     }
+    return this;
+}
 
-    function isDaylightSavingTimeShifted () {
-        if (!isUndefined(this._isDSTShifted)) {
-            return this._isDSTShifted;
+function setOffsetToParsedOffset () {
+    if (this._tzm != null) {
+        this.utcOffset(this._tzm, false, true);
+    } else if (typeof this._i === 'string') {
+        var tZone = offsetFromString(matchOffset, this._i);
+        if (tZone != null) {
+            this.utcOffset(tZone);
+        }
+        else {
+            this.utcOffset(0, true);
         }
+    }
+    return this;
+}
 
-        var c = {};
+function hasAlignedHourOffset (input) {
+    if (!this.isValid()) {
+        return false;
+    }
+    input = input ? createLocal(input).utcOffset() : 0;
 
-        copyConfig(c, this);
-        c = prepareConfig(c);
+    return (this.utcOffset() - input) % 60 === 0;
+}
 
-        if (c._a) {
-            var other = c._isUTC ? create_utc__createUTC(c._a) : local__createLocal(c._a);
-            this._isDSTShifted = this.isValid() &&
-                compareArrays(c._a, other.toArray()) > 0;
-        } else {
-            this._isDSTShifted = false;
-        }
+function isDaylightSavingTime () {
+    return (
+        this.utcOffset() > this.clone().month(0).utcOffset() ||
+        this.utcOffset() > this.clone().month(5).utcOffset()
+    );
+}
 
+function isDaylightSavingTimeShifted () {
+    if (!isUndefined(this._isDSTShifted)) {
         return this._isDSTShifted;
     }
 
-    function isLocal () {
-        return this.isValid() ? !this._isUTC : false;
-    }
+    var c = {};
 
-    function isUtcOffset () {
-        return this.isValid() ? this._isUTC : false;
-    }
+    copyConfig(c, this);
+    c = prepareConfig(c);
 
-    function isUtc () {
-        return this.isValid() ? this._isUTC && this._offset === 0 : false;
+    if (c._a) {
+        var other = c._isUTC ? createUTC(c._a) : createLocal(c._a);
+        this._isDSTShifted = this.isValid() &&
+            compareArrays(c._a, other.toArray()) > 0;
+    } else {
+        this._isDSTShifted = false;
     }
 
-    // ASP.NET json date format regex
-    var aspNetRegex = /^(\-)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)(\.\d*)?)?$/;
-
-    // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
-    // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
-    // and further modified to allow for strings containing both week and day
-    var isoRegex = /^(-)?P(?:(-?[0-9,.]*)Y)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)W)?(?:(-?[0-9,.]*)D)?(?:T(?:(-?[0-9,.]*)H)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)S)?)?$/;
+    return this._isDSTShifted;
+}
 
-    function create__createDuration (input, key) {
-        var duration = input,
-            // matching against regexp is expensive, do it on demand
-            match = null,
-            sign,
-            ret,
-            diffRes;
+function isLocal () {
+    return this.isValid() ? !this._isUTC : false;
+}
 
-        if (isDuration(input)) {
-            duration = {
-                ms : input._milliseconds,
-                d  : input._days,
-                M  : input._months
-            };
-        } else if (typeof input === 'number') {
-            duration = {};
-            if (key) {
-                duration[key] = input;
-            } else {
-                duration.milliseconds = input;
-            }
-        } else if (!!(match = aspNetRegex.exec(input))) {
-            sign = (match[1] === '-') ? -1 : 1;
-            duration = {
-                y  : 0,
-                d  : toInt(match[DATE])                         * sign,
-                h  : toInt(match[HOUR])                         * sign,
-                m  : toInt(match[MINUTE])                       * sign,
-                s  : toInt(match[SECOND])                       * sign,
-                ms : toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match
-            };
-        } else if (!!(match = isoRegex.exec(input))) {
-            sign = (match[1] === '-') ? -1 : 1;
-            duration = {
-                y : parseIso(match[2], sign),
-                M : parseIso(match[3], sign),
-                w : parseIso(match[4], sign),
-                d : parseIso(match[5], sign),
-                h : parseIso(match[6], sign),
-                m : parseIso(match[7], sign),
-                s : parseIso(match[8], sign)
-            };
-        } else if (duration == null) {// checks for null or undefined
-            duration = {};
-        } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {
-            diffRes = momentsDifference(local__createLocal(duration.from), local__createLocal(duration.to));
-
-            duration = {};
-            duration.ms = diffRes.milliseconds;
-            duration.M = diffRes.months;
-        }
+function isUtcOffset () {
+    return this.isValid() ? this._isUTC : false;
+}
 
-        ret = new Duration(duration);
+function isUtc () {
+    return this.isValid() ? this._isUTC && this._offset === 0 : false;
+}
 
-        if (isDuration(input) && hasOwnProp(input, '_locale')) {
-            ret._locale = input._locale;
-        }
+// ASP.NET json date format regex
+var aspNetRegex = /^(\-|\+)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)(\.\d*)?)?$/;
+
+// from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
+// somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
+// and further modified to allow for strings containing both week and day
+var isoRegex = /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/;
+
+function createDuration (input, key) {
+    var duration = input,
+        // matching against regexp is expensive, do it on demand
+        match = null,
+        sign,
+        ret,
+        diffRes;
+
+    if (isDuration(input)) {
+        duration = {
+            ms : input._milliseconds,
+            d  : input._days,
+            M  : input._months
+        };
+    } else if (isNumber(input)) {
+        duration = {};
+        if (key) {
+            duration[key] = input;
+        } else {
+            duration.milliseconds = input;
+        }
+    } else if (!!(match = aspNetRegex.exec(input))) {
+        sign = (match[1] === '-') ? -1 : 1;
+        duration = {
+            y  : 0,
+            d  : toInt(match[DATE])                         * sign,
+            h  : toInt(match[HOUR])                         * sign,
+            m  : toInt(match[MINUTE])                       * sign,
+            s  : toInt(match[SECOND])                       * sign,
+            ms : toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match
+        };
+    } else if (!!(match = isoRegex.exec(input))) {
+        sign = (match[1] === '-') ? -1 : (match[1] === '+') ? 1 : 1;
+        duration = {
+            y : parseIso(match[2], sign),
+            M : parseIso(match[3], sign),
+            w : parseIso(match[4], sign),
+            d : parseIso(match[5], sign),
+            h : parseIso(match[6], sign),
+            m : parseIso(match[7], sign),
+            s : parseIso(match[8], sign)
+        };
+    } else if (duration == null) {// checks for null or undefined
+        duration = {};
+    } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {
+        diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to));
 
-        return ret;
+        duration = {};
+        duration.ms = diffRes.milliseconds;
+        duration.M = diffRes.months;
     }
 
-    create__createDuration.fn = Duration.prototype;
+    ret = new Duration(duration);
 
-    function parseIso (inp, sign) {
-        // We'd normally use ~~inp for this, but unfortunately it also
-        // converts floats to ints.
-        // inp may be undefined, so careful calling replace on it.
-        var res = inp && parseFloat(inp.replace(',', '.'));
-        // apply sign while we're at it
-        return (isNaN(res) ? 0 : res) * sign;
+    if (isDuration(input) && hasOwnProp(input, '_locale')) {
+        ret._locale = input._locale;
     }
 
-    function positiveMomentsDifference(base, other) {
-        var res = {milliseconds: 0, months: 0};
+    return ret;
+}
+
+createDuration.fn = Duration.prototype;
+createDuration.invalid = createInvalid$1;
 
-        res.months = other.month() - base.month() +
-            (other.year() - base.year()) * 12;
-        if (base.clone().add(res.months, 'M').isAfter(other)) {
-            --res.months;
-        }
+function parseIso (inp, sign) {
+    // We'd normally use ~~inp for this, but unfortunately it also
+    // converts floats to ints.
+    // inp may be undefined, so careful calling replace on it.
+    var res = inp && parseFloat(inp.replace(',', '.'));
+    // apply sign while we're at it
+    return (isNaN(res) ? 0 : res) * sign;
+}
 
-        res.milliseconds = +other - +(base.clone().add(res.months, 'M'));
+function positiveMomentsDifference(base, other) {
+    var res = {milliseconds: 0, months: 0};
 
-        return res;
+    res.months = other.month() - base.month() +
+        (other.year() - base.year()) * 12;
+    if (base.clone().add(res.months, 'M').isAfter(other)) {
+        --res.months;
     }
 
-    function momentsDifference(base, other) {
-        var res;
-        if (!(base.isValid() && other.isValid())) {
-            return {milliseconds: 0, months: 0};
-        }
+    res.milliseconds = +other - +(base.clone().add(res.months, 'M'));
 
-        other = cloneWithOffset(other, base);
-        if (base.isBefore(other)) {
-            res = positiveMomentsDifference(base, other);
-        } else {
-            res = positiveMomentsDifference(other, base);
-            res.milliseconds = -res.milliseconds;
-            res.months = -res.months;
-        }
+    return res;
+}
 
-        return res;
+function momentsDifference(base, other) {
+    var res;
+    if (!(base.isValid() && other.isValid())) {
+        return {milliseconds: 0, months: 0};
     }
 
-    // TODO: remove 'name' arg after deprecation is removed
-    function createAdder(direction, name) {
-        return function (val, period) {
-            var dur, tmp;
-            //invert the arguments, but complain about it
-            if (period !== null && !isNaN(+period)) {
-                deprecateSimple(name, 'moment().' + name  + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' +
-                'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.');
-                tmp = val; val = period; period = tmp;
-            }
-
-            val = typeof val === 'string' ? +val : val;
-            dur = create__createDuration(val, period);
-            add_subtract__addSubtract(this, dur, direction);
-            return this;
-        };
+    other = cloneWithOffset(other, base);
+    if (base.isBefore(other)) {
+        res = positiveMomentsDifference(base, other);
+    } else {
+        res = positiveMomentsDifference(other, base);
+        res.milliseconds = -res.milliseconds;
+        res.months = -res.months;
     }
 
-    function add_subtract__addSubtract (mom, duration, isAdding, updateOffset) {
-        var milliseconds = duration._milliseconds,
-            days = absRound(duration._days),
-            months = absRound(duration._months);
+    return res;
+}
 
-        if (!mom.isValid()) {
-            // No op
-            return;
+// TODO: remove 'name' arg after deprecation is removed
+function createAdder(direction, name) {
+    return function (val, period) {
+        var dur, tmp;
+        //invert the arguments, but complain about it
+        if (period !== null && !isNaN(+period)) {
+            deprecateSimple(name, 'moment().' + name  + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' +
+            'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.');
+            tmp = val; val = period; period = tmp;
         }
 
-        updateOffset = updateOffset == null ? true : updateOffset;
+        val = typeof val === 'string' ? +val : val;
+        dur = createDuration(val, period);
+        addSubtract(this, dur, direction);
+        return this;
+    };
+}
 
-        if (milliseconds) {
-            mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);
-        }
-        if (days) {
-            get_set__set(mom, 'Date', get_set__get(mom, 'Date') + days * isAdding);
-        }
-        if (months) {
-            setMonth(mom, get_set__get(mom, 'Month') + months * isAdding);
-        }
-        if (updateOffset) {
-            utils_hooks__hooks.updateOffset(mom, days || months);
-        }
+function addSubtract (mom, duration, isAdding, updateOffset) {
+    var milliseconds = duration._milliseconds,
+        days = absRound(duration._days),
+        months = absRound(duration._months);
+
+    if (!mom.isValid()) {
+        // No op
+        return;
     }
 
-    var add_subtract__add      = createAdder(1, 'add');
-    var add_subtract__subtract = createAdder(-1, 'subtract');
+    updateOffset = updateOffset == null ? true : updateOffset;
 
-    function getCalendarFormat(myMoment, now) {
-        var diff = myMoment.diff(now, 'days', true);
-        return diff < -6 ? 'sameElse' :
-                diff < -1 ? 'lastWeek' :
-                diff < 0 ? 'lastDay' :
-                diff < 1 ? 'sameDay' :
-                diff < 2 ? 'nextDay' :
-                diff < 7 ? 'nextWeek' : 'sameElse';
+    if (months) {
+        setMonth(mom, get(mom, 'Month') + months * isAdding);
     }
+    if (days) {
+        set$1(mom, 'Date', get(mom, 'Date') + days * isAdding);
+    }
+    if (milliseconds) {
+        mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);
+    }
+    if (updateOffset) {
+        hooks.updateOffset(mom, days || months);
+    }
+}
 
-    function moment_calendar__calendar (time, formats) {
-        // We want to compare the start of today, vs this.
-        // Getting start-of-today depends on whether we're local/utc/offset or not.
-        var now = time || local__createLocal(),
-            sod = cloneWithOffset(now, this).startOf('day'),
-            format = utils_hooks__hooks.calendarFormat(this, sod) || 'sameElse';
+var add      = createAdder(1, 'add');
+var subtract = createAdder(-1, 'subtract');
+
+function getCalendarFormat(myMoment, now) {
+    var diff = myMoment.diff(now, 'days', true);
+    return diff < -6 ? 'sameElse' :
+            diff < -1 ? 'lastWeek' :
+            diff < 0 ? 'lastDay' :
+            diff < 1 ? 'sameDay' :
+            diff < 2 ? 'nextDay' :
+            diff < 7 ? 'nextWeek' : 'sameElse';
+}
 
-        var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]);
+function calendar$1 (time, formats) {
+    // We want to compare the start of today, vs this.
+    // Getting start-of-today depends on whether we're local/utc/offset or not.
+    var now = time || createLocal(),
+        sod = cloneWithOffset(now, this).startOf('day'),
+        format = hooks.calendarFormat(this, sod) || 'sameElse';
 
-        return this.format(output || this.localeData().calendar(format, this, local__createLocal(now)));
-    }
+    var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]);
 
-    function clone () {
-        return new Moment(this);
-    }
+    return this.format(output || this.localeData().calendar(format, this, createLocal(now)));
+}
 
-    function isAfter (input, units) {
-        var localInput = isMoment(input) ? input : local__createLocal(input);
-        if (!(this.isValid() && localInput.isValid())) {
-            return false;
-        }
-        units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');
-        if (units === 'millisecond') {
-            return this.valueOf() > localInput.valueOf();
-        } else {
-            return localInput.valueOf() < this.clone().startOf(units).valueOf();
-        }
-    }
+function clone () {
+    return new Moment(this);
+}
 
-    function isBefore (input, units) {
-        var localInput = isMoment(input) ? input : local__createLocal(input);
-        if (!(this.isValid() && localInput.isValid())) {
-            return false;
-        }
-        units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');
-        if (units === 'millisecond') {
-            return this.valueOf() < localInput.valueOf();
-        } else {
-            return this.clone().endOf(units).valueOf() < localInput.valueOf();
-        }
+function isAfter (input, units) {
+    var localInput = isMoment(input) ? input : createLocal(input);
+    if (!(this.isValid() && localInput.isValid())) {
+        return false;
     }
-
-    function isBetween (from, to, units, inclusivity) {
-        inclusivity = inclusivity || '()';
-        return (inclusivity[0] === '(' ? this.isAfter(from, units) : !this.isBefore(from, units)) &&
-            (inclusivity[1] === ')' ? this.isBefore(to, units) : !this.isAfter(to, units));
+    units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');
+    if (units === 'millisecond') {
+        return this.valueOf() > localInput.valueOf();
+    } else {
+        return localInput.valueOf() < this.clone().startOf(units).valueOf();
     }
+}
 
-    function isSame (input, units) {
-        var localInput = isMoment(input) ? input : local__createLocal(input),
-            inputMs;
-        if (!(this.isValid() && localInput.isValid())) {
-            return false;
-        }
-        units = normalizeUnits(units || 'millisecond');
-        if (units === 'millisecond') {
-            return this.valueOf() === localInput.valueOf();
-        } else {
-            inputMs = localInput.valueOf();
-            return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf();
-        }
+function isBefore (input, units) {
+    var localInput = isMoment(input) ? input : createLocal(input);
+    if (!(this.isValid() && localInput.isValid())) {
+        return false;
     }
-
-    function isSameOrAfter (input, units) {
-        return this.isSame(input, units) || this.isAfter(input,units);
+    units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');
+    if (units === 'millisecond') {
+        return this.valueOf() < localInput.valueOf();
+    } else {
+        return this.clone().endOf(units).valueOf() < localInput.valueOf();
     }
+}
 
-    function isSameOrBefore (input, units) {
-        return this.isSame(input, units) || this.isBefore(input,units);
-    }
+function isBetween (from, to, units, inclusivity) {
+    inclusivity = inclusivity || '()';
+    return (inclusivity[0] === '(' ? this.isAfter(from, units) : !this.isBefore(from, units)) &&
+        (inclusivity[1] === ')' ? this.isBefore(to, units) : !this.isAfter(to, units));
+}
 
-    function diff (input, units, asFloat) {
-        var that,
-            zoneDelta,
-            delta, output;
+function isSame (input, units) {
+    var localInput = isMoment(input) ? input : createLocal(input),
+        inputMs;
+    if (!(this.isValid() && localInput.isValid())) {
+        return false;
+    }
+    units = normalizeUnits(units || 'millisecond');
+    if (units === 'millisecond') {
+        return this.valueOf() === localInput.valueOf();
+    } else {
+        inputMs = localInput.valueOf();
+        return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf();
+    }
+}
 
-        if (!this.isValid()) {
-            return NaN;
-        }
+function isSameOrAfter (input, units) {
+    return this.isSame(input, units) || this.isAfter(input,units);
+}
 
-        that = cloneWithOffset(input, this);
+function isSameOrBefore (input, units) {
+    return this.isSame(input, units) || this.isBefore(input,units);
+}
 
-        if (!that.isValid()) {
-            return NaN;
-        }
+function diff (input, units, asFloat) {
+    var that,
+        zoneDelta,
+        output;
 
-        zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;
+    if (!this.isValid()) {
+        return NaN;
+    }
 
-        units = normalizeUnits(units);
+    that = cloneWithOffset(input, this);
 
-        if (units === 'year' || units === 'month' || units === 'quarter') {
-            output = monthDiff(this, that);
-            if (units === 'quarter') {
-                output = output / 3;
-            } else if (units === 'year') {
-                output = output / 12;
-            }
-        } else {
-            delta = this - that;
-            output = units === 'second' ? delta / 1e3 : // 1000
-                units === 'minute' ? delta / 6e4 : // 1000 * 60
-                units === 'hour' ? delta / 36e5 : // 1000 * 60 * 60
-                units === 'day' ? (delta - zoneDelta) / 864e5 : // 1000 * 60 * 60 * 24, negate dst
-                units === 'week' ? (delta - zoneDelta) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst
-                delta;
-        }
-        return asFloat ? output : absFloor(output);
+    if (!that.isValid()) {
+        return NaN;
     }
 
-    function monthDiff (a, b) {
-        // difference in months
-        var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),
-            // b is in (anchor - 1 month, anchor + 1 month)
-            anchor = a.clone().add(wholeMonthDiff, 'months'),
-            anchor2, adjust;
+    zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;
 
-        if (b - anchor < 0) {
-            anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');
-            // linear across the month
-            adjust = (b - anchor) / (anchor - anchor2);
-        } else {
-            anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');
-            // linear across the month
-            adjust = (b - anchor) / (anchor2 - anchor);
-        }
+    units = normalizeUnits(units);
 
-        //check for negative zero, return zero if negative zero
-        return -(wholeMonthDiff + adjust) || 0;
+    switch (units) {
+        case 'year': output = monthDiff(this, that) / 12; break;
+        case 'month': output = monthDiff(this, that); break;
+        case 'quarter': output = monthDiff(this, that) / 3; break;
+        case 'second': output = (this - that) / 1e3; break; // 1000
+        case 'minute': output = (this - that) / 6e4; break; // 1000 * 60
+        case 'hour': output = (this - that) / 36e5; break; // 1000 * 60 * 60
+        case 'day': output = (this - that - zoneDelta) / 864e5; break; // 1000 * 60 * 60 * 24, negate dst
+        case 'week': output = (this - that - zoneDelta) / 6048e5; break; // 1000 * 60 * 60 * 24 * 7, negate dst
+        default: output = this - that;
     }
 
-    utils_hooks__hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';
-    utils_hooks__hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';
+    return asFloat ? output : absFloor(output);
+}
 
-    function toString () {
-        return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');
+function monthDiff (a, b) {
+    // difference in months
+    var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),
+        // b is in (anchor - 1 month, anchor + 1 month)
+        anchor = a.clone().add(wholeMonthDiff, 'months'),
+        anchor2, adjust;
+
+    if (b - anchor < 0) {
+        anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');
+        // linear across the month
+        adjust = (b - anchor) / (anchor - anchor2);
+    } else {
+        anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');
+        // linear across the month
+        adjust = (b - anchor) / (anchor2 - anchor);
     }
 
-    function moment_format__toISOString () {
-        var m = this.clone().utc();
-        if (0 < m.year() && m.year() <= 9999) {
-            if (isFunction(Date.prototype.toISOString)) {
-                // native implementation is ~50x faster, use it when we can
-                return this.toDate().toISOString();
-            } else {
-                return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
-            }
-        } else {
-            return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
-        }
-    }
+    //check for negative zero, return zero if negative zero
+    return -(wholeMonthDiff + adjust) || 0;
+}
 
-    function format (inputString) {
-        if (!inputString) {
-            inputString = this.isUtc() ? utils_hooks__hooks.defaultFormatUtc : utils_hooks__hooks.defaultFormat;
-        }
-        var output = formatMoment(this, inputString);
-        return this.localeData().postformat(output);
-    }
+hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';
+hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';
 
-    function from (time, withoutSuffix) {
-        if (this.isValid() &&
-                ((isMoment(time) && time.isValid()) ||
-                 local__createLocal(time).isValid())) {
-            return create__createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix);
-        } else {
-            return this.localeData().invalidDate();
-        }
-    }
+function toString () {
+    return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');
+}
 
-    function fromNow (withoutSuffix) {
-        return this.from(local__createLocal(), withoutSuffix);
+function toISOString(keepOffset) {
+    if (!this.isValid()) {
+        return null;
     }
-
-    function to (time, withoutSuffix) {
-        if (this.isValid() &&
-                ((isMoment(time) && time.isValid()) ||
-                 local__createLocal(time).isValid())) {
-            return create__createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix);
+    var utc = keepOffset !== true;
+    var m = utc ? this.clone().utc() : this;
+    if (m.year() < 0 || m.year() > 9999) {
+        return formatMoment(m, utc ? 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYYYY-MM-DD[T]HH:mm:ss.SSSZ');
+    }
+    if (isFunction(Date.prototype.toISOString)) {
+        // native implementation is ~50x faster, use it when we can
+        if (utc) {
+            return this.toDate().toISOString();
         } else {
-            return this.localeData().invalidDate();
+            return new Date(this.valueOf() + this.utcOffset() * 60 * 1000).toISOString().replace('Z', formatMoment(m, 'Z'));
         }
     }
+    return formatMoment(m, utc ? 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYY-MM-DD[T]HH:mm:ss.SSSZ');
+}
 
-    function toNow (withoutSuffix) {
-        return this.to(local__createLocal(), withoutSuffix);
-    }
+/**
+ * Return a human readable representation of a moment that can
+ * also be evaluated to get a new moment which is the same
+ *
+ * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects
+ */
+function inspect () {
+    if (!this.isValid()) {
+        return 'moment.invalid(/* ' + this._i + ' */)';
+    }
+    var func = 'moment';
+    var zone = '';
+    if (!this.isLocal()) {
+        func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone';
+        zone = 'Z';
+    }
+    var prefix = '[' + func + '("]';
+    var year = (0 <= this.year() && this.year() <= 9999) ? 'YYYY' : 'YYYYYY';
+    var datetime = '-MM-DD[T]HH:mm:ss.SSS';
+    var suffix = zone + '[")]';
+
+    return this.format(prefix + year + datetime + suffix);
+}
 
-    // If passed a locale key, it will set the locale for this
-    // instance.  Otherwise, it will return the locale configuration
-    // variables for this instance.
-    function locale (key) {
-        var newLocaleData;
+function format (inputString) {
+    if (!inputString) {
+        inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat;
+    }
+    var output = formatMoment(this, inputString);
+    return this.localeData().postformat(output);
+}
 
-        if (key === undefined) {
-            return this._locale._abbr;
-        } else {
-            newLocaleData = locale_locales__getLocale(key);
-            if (newLocaleData != null) {
-                this._locale = newLocaleData;
-            }
-            return this;
-        }
+function from (time, withoutSuffix) {
+    if (this.isValid() &&
+            ((isMoment(time) && time.isValid()) ||
+             createLocal(time).isValid())) {
+        return createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix);
+    } else {
+        return this.localeData().invalidDate();
     }
+}
 
-    var lang = deprecate(
-        'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',
-        function (key) {
-            if (key === undefined) {
-                return this.localeData();
-            } else {
-                return this.locale(key);
-            }
-        }
-    );
+function fromNow (withoutSuffix) {
+    return this.from(createLocal(), withoutSuffix);
+}
 
-    function localeData () {
-        return this._locale;
+function to (time, withoutSuffix) {
+    if (this.isValid() &&
+            ((isMoment(time) && time.isValid()) ||
+             createLocal(time).isValid())) {
+        return createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix);
+    } else {
+        return this.localeData().invalidDate();
     }
+}
 
-    function startOf (units) {
-        units = normalizeUnits(units);
-        // the following switch intentionally omits break keywords
-        // to utilize falling through the cases.
-        switch (units) {
-            case 'year':
-                this.month(0);
-                /* falls through */
-            case 'quarter':
-            case 'month':
-                this.date(1);
-                /* falls through */
-            case 'week':
-            case 'isoWeek':
-            case 'day':
-            case 'date':
-                this.hours(0);
-                /* falls through */
-            case 'hour':
-                this.minutes(0);
-                /* falls through */
-            case 'minute':
-                this.seconds(0);
-                /* falls through */
-            case 'second':
-                this.milliseconds(0);
-        }
+function toNow (withoutSuffix) {
+    return this.to(createLocal(), withoutSuffix);
+}
 
-        // weeks are a special case
-        if (units === 'week') {
-            this.weekday(0);
-        }
-        if (units === 'isoWeek') {
-            this.isoWeekday(1);
-        }
+// If passed a locale key, it will set the locale for this
+// instance.  Otherwise, it will return the locale configuration
+// variables for this instance.
+function locale (key) {
+    var newLocaleData;
 
-        // quarters are also special
-        if (units === 'quarter') {
-            this.month(Math.floor(this.month() / 3) * 3);
+    if (key === undefined) {
+        return this._locale._abbr;
+    } else {
+        newLocaleData = getLocale(key);
+        if (newLocaleData != null) {
+            this._locale = newLocaleData;
         }
-
         return this;
     }
+}
 
-    function endOf (units) {
-        units = normalizeUnits(units);
-        if (units === undefined || units === 'millisecond') {
-            return this;
+var lang = deprecate(
+    'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',
+    function (key) {
+        if (key === undefined) {
+            return this.localeData();
+        } else {
+            return this.locale(key);
         }
+    }
+);
 
-        // 'date' is an alias for 'day', so it should be considered as such.
-        if (units === 'date') {
-            units = 'day';
-        }
+function localeData () {
+    return this._locale;
+}
 
-        return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');
-    }
+function startOf (units) {
+    units = normalizeUnits(units);
+    // the following switch intentionally omits break keywords
+    // to utilize falling through the cases.
+    switch (units) {
+        case 'year':
+            this.month(0);
+            /* falls through */
+        case 'quarter':
+        case 'month':
+            this.date(1);
+            /* falls through */
+        case 'week':
+        case 'isoWeek':
+        case 'day':
+        case 'date':
+            this.hours(0);
+            /* falls through */
+        case 'hour':
+            this.minutes(0);
+            /* falls through */
+        case 'minute':
+            this.seconds(0);
+            /* falls through */
+        case 'second':
+            this.milliseconds(0);
+    }
+
+    // weeks are a special case
+    if (units === 'week') {
+        this.weekday(0);
+    }
+    if (units === 'isoWeek') {
+        this.isoWeekday(1);
+    }
+
+    // quarters are also special
+    if (units === 'quarter') {
+        this.month(Math.floor(this.month() / 3) * 3);
+    }
+
+    return this;
+}
 
-    function to_type__valueOf () {
-        return this._d.valueOf() - ((this._offset || 0) * 60000);
+function endOf (units) {
+    units = normalizeUnits(units);
+    if (units === undefined || units === 'millisecond') {
+        return this;
     }
 
-    function unix () {
-        return Math.floor(this.valueOf() / 1000);
+    // 'date' is an alias for 'day', so it should be considered as such.
+    if (units === 'date') {
+        units = 'day';
     }
 
-    function toDate () {
-        return new Date(this.valueOf());
-    }
+    return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');
+}
 
-    function toArray () {
-        var m = this;
-        return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];
-    }
+function valueOf () {
+    return this._d.valueOf() - ((this._offset || 0) * 60000);
+}
 
-    function toObject () {
-        var m = this;
-        return {
-            years: m.year(),
-            months: m.month(),
-            date: m.date(),
-            hours: m.hours(),
-            minutes: m.minutes(),
-            seconds: m.seconds(),
-            milliseconds: m.milliseconds()
-        };
-    }
+function unix () {
+    return Math.floor(this.valueOf() / 1000);
+}
 
-    function toJSON () {
-        // new Date(NaN).toJSON() === null
-        return this.isValid() ? this.toISOString() : null;
-    }
+function toDate () {
+    return new Date(this.valueOf());
+}
 
-    function moment_valid__isValid () {
-        return valid__isValid(this);
-    }
+function toArray () {
+    var m = this;
+    return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];
+}
 
-    function parsingFlags () {
-        return extend({}, getParsingFlags(this));
-    }
+function toObject () {
+    var m = this;
+    return {
+        years: m.year(),
+        months: m.month(),
+        date: m.date(),
+        hours: m.hours(),
+        minutes: m.minutes(),
+        seconds: m.seconds(),
+        milliseconds: m.milliseconds()
+    };
+}
 
-    function invalidAt () {
-        return getParsingFlags(this).overflow;
-    }
+function toJSON () {
+    // new Date(NaN).toJSON() === null
+    return this.isValid() ? this.toISOString() : null;
+}
 
-    function creationData() {
-        return {
-            input: this._i,
-            format: this._f,
-            locale: this._locale,
-            isUTC: this._isUTC,
-            strict: this._strict
-        };
-    }
+function isValid$2 () {
+    return isValid(this);
+}
 
-    // FORMATTING
+function parsingFlags () {
+    return extend({}, getParsingFlags(this));
+}
 
-    addFormatToken(0, ['gg', 2], 0, function () {
-        return this.weekYear() % 100;
-    });
+function invalidAt () {
+    return getParsingFlags(this).overflow;
+}
 
-    addFormatToken(0, ['GG', 2], 0, function () {
-        return this.isoWeekYear() % 100;
-    });
+function creationData() {
+    return {
+        input: this._i,
+        format: this._f,
+        locale: this._locale,
+        isUTC: this._isUTC,
+        strict: this._strict
+    };
+}
 
-    function addWeekYearFormatToken (token, getter) {
-        addFormatToken(0, [token, token.length], 0, getter);
-    }
+// FORMATTING
 
-    addWeekYearFormatToken('gggg',     'weekYear');
-    addWeekYearFormatToken('ggggg',    'weekYear');
-    addWeekYearFormatToken('GGGG',  'isoWeekYear');
-    addWeekYearFormatToken('GGGGG', 'isoWeekYear');
+addFormatToken(0, ['gg', 2], 0, function () {
+    return this.weekYear() % 100;
+});
 
-    // ALIASES
+addFormatToken(0, ['GG', 2], 0, function () {
+    return this.isoWeekYear() % 100;
+});
 
-    addUnitAlias('weekYear', 'gg');
-    addUnitAlias('isoWeekYear', 'GG');
+function addWeekYearFormatToken (token, getter) {
+    addFormatToken(0, [token, token.length], 0, getter);
+}
 
-    // PRIORITY
+addWeekYearFormatToken('gggg',     'weekYear');
+addWeekYearFormatToken('ggggg',    'weekYear');
+addWeekYearFormatToken('GGGG',  'isoWeekYear');
+addWeekYearFormatToken('GGGGG', 'isoWeekYear');
 
-    addUnitPriority('weekYear', 1);
-    addUnitPriority('isoWeekYear', 1);
+// ALIASES
 
+addUnitAlias('weekYear', 'gg');
+addUnitAlias('isoWeekYear', 'GG');
 
-    // PARSING
+// PRIORITY
 
-    addRegexToken('G',      matchSigned);
-    addRegexToken('g',      matchSigned);
-    addRegexToken('GG',     match1to2, match2);
-    addRegexToken('gg',     match1to2, match2);
-    addRegexToken('GGGG',   match1to4, match4);
-    addRegexToken('gggg',   match1to4, match4);
-    addRegexToken('GGGGG',  match1to6, match6);
-    addRegexToken('ggggg',  match1to6, match6);
+addUnitPriority('weekYear', 1);
+addUnitPriority('isoWeekYear', 1);
 
-    addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {
-        week[token.substr(0, 2)] = toInt(input);
-    });
 
-    addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {
-        week[token] = utils_hooks__hooks.parseTwoDigitYear(input);
-    });
+// PARSING
 
-    // MOMENTS
+addRegexToken('G',      matchSigned);
+addRegexToken('g',      matchSigned);
+addRegexToken('GG',     match1to2, match2);
+addRegexToken('gg',     match1to2, match2);
+addRegexToken('GGGG',   match1to4, match4);
+addRegexToken('gggg',   match1to4, match4);
+addRegexToken('GGGGG',  match1to6, match6);
+addRegexToken('ggggg',  match1to6, match6);
 
-    function getSetWeekYear (input) {
-        return getSetWeekYearHelper.call(this,
-                input,
-                this.week(),
-                this.weekday(),
-                this.localeData()._week.dow,
-                this.localeData()._week.doy);
-    }
+addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {
+    week[token.substr(0, 2)] = toInt(input);
+});
 
-    function getSetISOWeekYear (input) {
-        return getSetWeekYearHelper.call(this,
-                input, this.isoWeek(), this.isoWeekday(), 1, 4);
-    }
+addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {
+    week[token] = hooks.parseTwoDigitYear(input);
+});
 
-    function getISOWeeksInYear () {
-        return weeksInYear(this.year(), 1, 4);
-    }
+// MOMENTS
 
-    function getWeeksInYear () {
-        var weekInfo = this.localeData()._week;
-        return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
-    }
+function getSetWeekYear (input) {
+    return getSetWeekYearHelper.call(this,
+            input,
+            this.week(),
+            this.weekday(),
+            this.localeData()._week.dow,
+            this.localeData()._week.doy);
+}
 
-    function getSetWeekYearHelper(input, week, weekday, dow, doy) {
-        var weeksTarget;
-        if (input == null) {
-            return weekOfYear(this, dow, doy).year;
-        } else {
-            weeksTarget = weeksInYear(input, dow, doy);
-            if (week > weeksTarget) {
-                week = weeksTarget;
-            }
-            return setWeekAll.call(this, input, week, weekday, dow, doy);
+function getSetISOWeekYear (input) {
+    return getSetWeekYearHelper.call(this,
+            input, this.isoWeek(), this.isoWeekday(), 1, 4);
+}
+
+function getISOWeeksInYear () {
+    return weeksInYear(this.year(), 1, 4);
+}
+
+function getWeeksInYear () {
+    var weekInfo = this.localeData()._week;
+    return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
+}
+
+function getSetWeekYearHelper(input, week, weekday, dow, doy) {
+    var weeksTarget;
+    if (input == null) {
+        return weekOfYear(this, dow, doy).year;
+    } else {
+        weeksTarget = weeksInYear(input, dow, doy);
+        if (week > weeksTarget) {
+            week = weeksTarget;
         }
+        return setWeekAll.call(this, input, week, weekday, dow, doy);
     }
+}
 
-    function setWeekAll(weekYear, week, weekday, dow, doy) {
-        var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),
-            date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);
+function setWeekAll(weekYear, week, weekday, dow, doy) {
+    var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),
+        date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);
 
-        this.year(date.getUTCFullYear());
-        this.month(date.getUTCMonth());
-        this.date(date.getUTCDate());
-        return this;
-    }
+    this.year(date.getUTCFullYear());
+    this.month(date.getUTCMonth());
+    this.date(date.getUTCDate());
+    return this;
+}
 
-    // FORMATTING
+// FORMATTING
 
-    addFormatToken('Q', 0, 'Qo', 'quarter');
+addFormatToken('Q', 0, 'Qo', 'quarter');
 
-    // ALIASES
+// ALIASES
 
-    addUnitAlias('quarter', 'Q');
+addUnitAlias('quarter', 'Q');
 
-    // PRIORITY
+// PRIORITY
 
-    addUnitPriority('quarter', 7);
+addUnitPriority('quarter', 7);
 
-    // PARSING
+// PARSING
 
-    addRegexToken('Q', match1);
-    addParseToken('Q', function (input, array) {
-        array[MONTH] = (toInt(input) - 1) * 3;
-    });
+addRegexToken('Q', match1);
+addParseToken('Q', function (input, array) {
+    array[MONTH] = (toInt(input) - 1) * 3;
+});
 
-    // MOMENTS
+// MOMENTS
 
-    function getSetQuarter (input) {
-        return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);
-    }
+function getSetQuarter (input) {
+    return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);
+}
 
-    // FORMATTING
+// FORMATTING
 
-    addFormatToken('D', ['DD', 2], 'Do', 'date');
+addFormatToken('D', ['DD', 2], 'Do', 'date');
 
-    // ALIASES
+// ALIASES
 
-    addUnitAlias('date', 'D');
+addUnitAlias('date', 'D');
 
-    // PRIOROITY
-    addUnitPriority('date', 9);
+// PRIOROITY
+addUnitPriority('date', 9);
 
-    // PARSING
+// PARSING
 
-    addRegexToken('D',  match1to2);
-    addRegexToken('DD', match1to2, match2);
-    addRegexToken('Do', function (isStrict, locale) {
-        return isStrict ? locale._ordinalParse : locale._ordinalParseLenient;
-    });
+addRegexToken('D',  match1to2);
+addRegexToken('DD', match1to2, match2);
+addRegexToken('Do', function (isStrict, locale) {
+    // TODO: Remove "ordinalParse" fallback in next major release.
+    return isStrict ?
+      (locale._dayOfMonthOrdinalParse || locale._ordinalParse) :
+      locale._dayOfMonthOrdinalParseLenient;
+});
 
-    addParseToken(['D', 'DD'], DATE);
-    addParseToken('Do', function (input, array) {
-        array[DATE] = toInt(input.match(match1to2)[0], 10);
-    });
+addParseToken(['D', 'DD'], DATE);
+addParseToken('Do', function (input, array) {
+    array[DATE] = toInt(input.match(match1to2)[0]);
+});
 
-    // MOMENTS
+// MOMENTS
 
-    var getSetDayOfMonth = makeGetSet('Date', true);
+var getSetDayOfMonth = makeGetSet('Date', true);
 
-    // FORMATTING
+// FORMATTING
 
-    addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');
+addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');
 
-    // ALIASES
+// ALIASES
 
-    addUnitAlias('dayOfYear', 'DDD');
+addUnitAlias('dayOfYear', 'DDD');
 
-    // PRIORITY
-    addUnitPriority('dayOfYear', 4);
+// PRIORITY
+addUnitPriority('dayOfYear', 4);
 
-    // PARSING
+// PARSING
 
-    addRegexToken('DDD',  match1to3);
-    addRegexToken('DDDD', match3);
-    addParseToken(['DDD', 'DDDD'], function (input, array, config) {
-        config._dayOfYear = toInt(input);
-    });
+addRegexToken('DDD',  match1to3);
+addRegexToken('DDDD', match3);
+addParseToken(['DDD', 'DDDD'], function (input, array, config) {
+    config._dayOfYear = toInt(input);
+});
 
-    // HELPERS
+// HELPERS
 
-    // MOMENTS
+// MOMENTS
 
-    function getSetDayOfYear (input) {
-        var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;
-        return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');
-    }
+function getSetDayOfYear (input) {
+    var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;
+    return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');
+}
 
-    // FORMATTING
+// FORMATTING
 
-    addFormatToken('m', ['mm', 2], 0, 'minute');
+addFormatToken('m', ['mm', 2], 0, 'minute');
 
-    // ALIASES
+// ALIASES
 
-    addUnitAlias('minute', 'm');
+addUnitAlias('minute', 'm');
 
-    // PRIORITY
+// PRIORITY
 
-    addUnitPriority('minute', 14);
+addUnitPriority('minute', 14);
 
-    // PARSING
+// PARSING
 
-    addRegexToken('m',  match1to2);
-    addRegexToken('mm', match1to2, match2);
-    addParseToken(['m', 'mm'], MINUTE);
+addRegexToken('m',  match1to2);
+addRegexToken('mm', match1to2, match2);
+addParseToken(['m', 'mm'], MINUTE);
 
-    // MOMENTS
+// MOMENTS
 
-    var getSetMinute = makeGetSet('Minutes', false);
+var getSetMinute = makeGetSet('Minutes', false);
 
-    // FORMATTING
+// FORMATTING
 
-    addFormatToken('s', ['ss', 2], 0, 'second');
+addFormatToken('s', ['ss', 2], 0, 'second');
 
-    // ALIASES
+// ALIASES
 
-    addUnitAlias('second', 's');
+addUnitAlias('second', 's');
 
-    // PRIORITY
+// PRIORITY
 
-    addUnitPriority('second', 15);
+addUnitPriority('second', 15);
 
-    // PARSING
+// PARSING
 
-    addRegexToken('s',  match1to2);
-    addRegexToken('ss', match1to2, match2);
-    addParseToken(['s', 'ss'], SECOND);
+addRegexToken('s',  match1to2);
+addRegexToken('ss', match1to2, match2);
+addParseToken(['s', 'ss'], SECOND);
 
-    // MOMENTS
+// MOMENTS
 
-    var getSetSecond = makeGetSet('Seconds', false);
+var getSetSecond = makeGetSet('Seconds', false);
 
-    // FORMATTING
+// FORMATTING
 
-    addFormatToken('S', 0, 0, function () {
-        return ~~(this.millisecond() / 100);
-    });
+addFormatToken('S', 0, 0, function () {
+    return ~~(this.millisecond() / 100);
+});
 
-    addFormatToken(0, ['SS', 2], 0, function () {
-        return ~~(this.millisecond() / 10);
-    });
+addFormatToken(0, ['SS', 2], 0, function () {
+    return ~~(this.millisecond() / 10);
+});
 
-    addFormatToken(0, ['SSS', 3], 0, 'millisecond');
-    addFormatToken(0, ['SSSS', 4], 0, function () {
-        return this.millisecond() * 10;
-    });
-    addFormatToken(0, ['SSSSS', 5], 0, function () {
-        return this.millisecond() * 100;
-    });
-    addFormatToken(0, ['SSSSSS', 6], 0, function () {
-        return this.millisecond() * 1000;
-    });
-    addFormatToken(0, ['SSSSSSS', 7], 0, function () {
-        return this.millisecond() * 10000;
-    });
-    addFormatToken(0, ['SSSSSSSS', 8], 0, function () {
-        return this.millisecond() * 100000;
-    });
-    addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {
-        return this.millisecond() * 1000000;
-    });
+addFormatToken(0, ['SSS', 3], 0, 'millisecond');
+addFormatToken(0, ['SSSS', 4], 0, function () {
+    return this.millisecond() * 10;
+});
+addFormatToken(0, ['SSSSS', 5], 0, function () {
+    return this.millisecond() * 100;
+});
+addFormatToken(0, ['SSSSSS', 6], 0, function () {
+    return this.millisecond() * 1000;
+});
+addFormatToken(0, ['SSSSSSS', 7], 0, function () {
+    return this.millisecond() * 10000;
+});
+addFormatToken(0, ['SSSSSSSS', 8], 0, function () {
+    return this.millisecond() * 100000;
+});
+addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {
+    return this.millisecond() * 1000000;
+});
 
 
-    // ALIASES
+// ALIASES
 
-    addUnitAlias('millisecond', 'ms');
+addUnitAlias('millisecond', 'ms');
 
-    // PRIORITY
+// PRIORITY
 
-    addUnitPriority('millisecond', 16);
+addUnitPriority('millisecond', 16);
 
-    // PARSING
+// PARSING
 
-    addRegexToken('S',    match1to3, match1);
-    addRegexToken('SS',   match1to3, match2);
-    addRegexToken('SSS',  match1to3, match3);
+addRegexToken('S',    match1to3, match1);
+addRegexToken('SS',   match1to3, match2);
+addRegexToken('SSS',  match1to3, match3);
 
-    var token;
-    for (token = 'SSSS'; token.length <= 9; token += 'S') {
-        addRegexToken(token, matchUnsigned);
-    }
+var token;
+for (token = 'SSSS'; token.length <= 9; token += 'S') {
+    addRegexToken(token, matchUnsigned);
+}
 
-    function parseMs(input, array) {
-        array[MILLISECOND] = toInt(('0.' + input) * 1000);
-    }
+function parseMs(input, array) {
+    array[MILLISECOND] = toInt(('0.' + input) * 1000);
+}
 
-    for (token = 'S'; token.length <= 9; token += 'S') {
-        addParseToken(token, parseMs);
-    }
-    // MOMENTS
+for (token = 'S'; token.length <= 9; token += 'S') {
+    addParseToken(token, parseMs);
+}
+// MOMENTS
 
-    var getSetMillisecond = makeGetSet('Milliseconds', false);
+var getSetMillisecond = makeGetSet('Milliseconds', false);
 
-    // FORMATTING
+// FORMATTING
 
-    addFormatToken('z',  0, 0, 'zoneAbbr');
-    addFormatToken('zz', 0, 0, 'zoneName');
+addFormatToken('z',  0, 0, 'zoneAbbr');
+addFormatToken('zz', 0, 0, 'zoneName');
 
-    // MOMENTS
+// MOMENTS
 
-    function getZoneAbbr () {
-        return this._isUTC ? 'UTC' : '';
-    }
+function getZoneAbbr () {
+    return this._isUTC ? 'UTC' : '';
+}
 
-    function getZoneName () {
-        return this._isUTC ? 'Coordinated Universal Time' : '';
-    }
+function getZoneName () {
+    return this._isUTC ? 'Coordinated Universal Time' : '';
+}
 
-    var momentPrototype__proto = Moment.prototype;
-
-    momentPrototype__proto.add               = add_subtract__add;
-    momentPrototype__proto.calendar          = moment_calendar__calendar;
-    momentPrototype__proto.clone             = clone;
-    momentPrototype__proto.diff              = diff;
-    momentPrototype__proto.endOf             = endOf;
-    momentPrototype__proto.format            = format;
-    momentPrototype__proto.from              = from;
-    momentPrototype__proto.fromNow           = fromNow;
-    momentPrototype__proto.to                = to;
-    momentPrototype__proto.toNow             = toNow;
-    momentPrototype__proto.get               = stringGet;
-    momentPrototype__proto.invalidAt         = invalidAt;
-    momentPrototype__proto.isAfter           = isAfter;
-    momentPrototype__proto.isBefore          = isBefore;
-    momentPrototype__proto.isBetween         = isBetween;
-    momentPrototype__proto.isSame            = isSame;
-    momentPrototype__proto.isSameOrAfter     = isSameOrAfter;
-    momentPrototype__proto.isSameOrBefore    = isSameOrBefore;
-    momentPrototype__proto.isValid           = moment_valid__isValid;
-    momentPrototype__proto.lang              = lang;
-    momentPrototype__proto.locale            = locale;
-    momentPrototype__proto.localeData        = localeData;
-    momentPrototype__proto.max               = prototypeMax;
-    momentPrototype__proto.min               = prototypeMin;
-    momentPrototype__proto.parsingFlags      = parsingFlags;
-    momentPrototype__proto.set               = stringSet;
-    momentPrototype__proto.startOf           = startOf;
-    momentPrototype__proto.subtract          = add_subtract__subtract;
-    momentPrototype__proto.toArray           = toArray;
-    momentPrototype__proto.toObject          = toObject;
-    momentPrototype__proto.toDate            = toDate;
-    momentPrototype__proto.toISOString       = moment_format__toISOString;
-    momentPrototype__proto.toJSON            = toJSON;
-    momentPrototype__proto.toString          = toString;
-    momentPrototype__proto.unix              = unix;
-    momentPrototype__proto.valueOf           = to_type__valueOf;
-    momentPrototype__proto.creationData      = creationData;
+var proto = Moment.prototype;
+
+proto.add               = add;
+proto.calendar          = calendar$1;
+proto.clone             = clone;
+proto.diff              = diff;
+proto.endOf             = endOf;
+proto.format            = format;
+proto.from              = from;
+proto.fromNow           = fromNow;
+proto.to                = to;
+proto.toNow             = toNow;
+proto.get               = stringGet;
+proto.invalidAt         = invalidAt;
+proto.isAfter           = isAfter;
+proto.isBefore          = isBefore;
+proto.isBetween         = isBetween;
+proto.isSame            = isSame;
+proto.isSameOrAfter     = isSameOrAfter;
+proto.isSameOrBefore    = isSameOrBefore;
+proto.isValid           = isValid$2;
+proto.lang              = lang;
+proto.locale            = locale;
+proto.localeData        = localeData;
+proto.max               = prototypeMax;
+proto.min               = prototypeMin;
+proto.parsingFlags      = parsingFlags;
+proto.set               = stringSet;
+proto.startOf           = startOf;
+proto.subtract          = subtract;
+proto.toArray           = toArray;
+proto.toObject          = toObject;
+proto.toDate            = toDate;
+proto.toISOString       = toISOString;
+proto.inspect           = inspect;
+proto.toJSON            = toJSON;
+proto.toString          = toString;
+proto.unix              = unix;
+proto.valueOf           = valueOf;
+proto.creationData      = creationData;
+proto.year       = getSetYear;
+proto.isLeapYear = getIsLeapYear;
+proto.weekYear    = getSetWeekYear;
+proto.isoWeekYear = getSetISOWeekYear;
+proto.quarter = proto.quarters = getSetQuarter;
+proto.month       = getSetMonth;
+proto.daysInMonth = getDaysInMonth;
+proto.week           = proto.weeks        = getSetWeek;
+proto.isoWeek        = proto.isoWeeks     = getSetISOWeek;
+proto.weeksInYear    = getWeeksInYear;
+proto.isoWeeksInYear = getISOWeeksInYear;
+proto.date       = getSetDayOfMonth;
+proto.day        = proto.days             = getSetDayOfWeek;
+proto.weekday    = getSetLocaleDayOfWeek;
+proto.isoWeekday = getSetISODayOfWeek;
+proto.dayOfYear  = getSetDayOfYear;
+proto.hour = proto.hours = getSetHour;
+proto.minute = proto.minutes = getSetMinute;
+proto.second = proto.seconds = getSetSecond;
+proto.millisecond = proto.milliseconds = getSetMillisecond;
+proto.utcOffset            = getSetOffset;
+proto.utc                  = setOffsetToUTC;
+proto.local                = setOffsetToLocal;
+proto.parseZone            = setOffsetToParsedOffset;
+proto.hasAlignedHourOffset = hasAlignedHourOffset;
+proto.isDST                = isDaylightSavingTime;
+proto.isLocal              = isLocal;
+proto.isUtcOffset          = isUtcOffset;
+proto.isUtc                = isUtc;
+proto.isUTC                = isUtc;
+proto.zoneAbbr = getZoneAbbr;
+proto.zoneName = getZoneName;
+proto.dates  = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth);
+proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth);
+proto.years  = deprecate('years accessor is deprecated. Use year instead', getSetYear);
+proto.zone   = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone);
+proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted);
+
+function createUnix (input) {
+    return createLocal(input * 1000);
+}
+
+function createInZone () {
+    return createLocal.apply(null, arguments).parseZone();
+}
+
+function preParsePostFormat (string) {
+    return string;
+}
 
-    // Year
-    momentPrototype__proto.year       = getSetYear;
-    momentPrototype__proto.isLeapYear = getIsLeapYear;
+var proto$1 = Locale.prototype;
+
+proto$1.calendar        = calendar;
+proto$1.longDateFormat  = longDateFormat;
+proto$1.invalidDate     = invalidDate;
+proto$1.ordinal         = ordinal;
+proto$1.preparse        = preParsePostFormat;
+proto$1.postformat      = preParsePostFormat;
+proto$1.relativeTime    = relativeTime;
+proto$1.pastFuture      = pastFuture;
+proto$1.set             = set;
+
+proto$1.months            =        localeMonths;
+proto$1.monthsShort       =        localeMonthsShort;
+proto$1.monthsParse       =        localeMonthsParse;
+proto$1.monthsRegex       = monthsRegex;
+proto$1.monthsShortRegex  = monthsShortRegex;
+proto$1.week = localeWeek;
+proto$1.firstDayOfYear = localeFirstDayOfYear;
+proto$1.firstDayOfWeek = localeFirstDayOfWeek;
+
+proto$1.weekdays       =        localeWeekdays;
+proto$1.weekdaysMin    =        localeWeekdaysMin;
+proto$1.weekdaysShort  =        localeWeekdaysShort;
+proto$1.weekdaysParse  =        localeWeekdaysParse;
+
+proto$1.weekdaysRegex       =        weekdaysRegex;
+proto$1.weekdaysShortRegex  =        weekdaysShortRegex;
+proto$1.weekdaysMinRegex    =        weekdaysMinRegex;
+
+proto$1.isPM = localeIsPM;
+proto$1.meridiem = localeMeridiem;
+
+function get$1 (format, index, field, setter) {
+    var locale = getLocale();
+    var utc = createUTC().set(setter, index);
+    return locale[field](utc, format);
+}
 
-    // Week Year
-    momentPrototype__proto.weekYear    = getSetWeekYear;
-    momentPrototype__proto.isoWeekYear = getSetISOWeekYear;
+function listMonthsImpl (format, index, field) {
+    if (isNumber(format)) {
+        index = format;
+        format = undefined;
+    }
 
-    // Quarter
-    momentPrototype__proto.quarter = momentPrototype__proto.quarters = getSetQuarter;
+    format = format || '';
 
-    // Month
-    momentPrototype__proto.month       = getSetMonth;
-    momentPrototype__proto.daysInMonth = getDaysInMonth;
+    if (index != null) {
+        return get$1(format, index, field, 'month');
+    }
 
-    // Week
-    momentPrototype__proto.week           = momentPrototype__proto.weeks        = getSetWeek;
-    momentPrototype__proto.isoWeek        = momentPrototype__proto.isoWeeks     = getSetISOWeek;
-    momentPrototype__proto.weeksInYear    = getWeeksInYear;
-    momentPrototype__proto.isoWeeksInYear = getISOWeeksInYear;
-
-    // Day
-    momentPrototype__proto.date       = getSetDayOfMonth;
-    momentPrototype__proto.day        = momentPrototype__proto.days             = getSetDayOfWeek;
-    momentPrototype__proto.weekday    = getSetLocaleDayOfWeek;
-    momentPrototype__proto.isoWeekday = getSetISODayOfWeek;
-    momentPrototype__proto.dayOfYear  = getSetDayOfYear;
-
-    // Hour
-    momentPrototype__proto.hour = momentPrototype__proto.hours = getSetHour;
-
-    // Minute
-    momentPrototype__proto.minute = momentPrototype__proto.minutes = getSetMinute;
-
-    // Second
-    momentPrototype__proto.second = momentPrototype__proto.seconds = getSetSecond;
-
-    // Millisecond
-    momentPrototype__proto.millisecond = momentPrototype__proto.milliseconds = getSetMillisecond;
-
-    // Offset
-    momentPrototype__proto.utcOffset            = getSetOffset;
-    momentPrototype__proto.utc                  = setOffsetToUTC;
-    momentPrototype__proto.local                = setOffsetToLocal;
-    momentPrototype__proto.parseZone            = setOffsetToParsedOffset;
-    momentPrototype__proto.hasAlignedHourOffset = hasAlignedHourOffset;
-    momentPrototype__proto.isDST                = isDaylightSavingTime;
-    momentPrototype__proto.isLocal              = isLocal;
-    momentPrototype__proto.isUtcOffset          = isUtcOffset;
-    momentPrototype__proto.isUtc                = isUtc;
-    momentPrototype__proto.isUTC                = isUtc;
-
-    // Timezone
-    momentPrototype__proto.zoneAbbr = getZoneAbbr;
-    momentPrototype__proto.zoneName = getZoneName;
-
-    // Deprecations
-    momentPrototype__proto.dates  = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth);
-    momentPrototype__proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth);
-    momentPrototype__proto.years  = deprecate('years accessor is deprecated. Use year instead', getSetYear);
-    momentPrototype__proto.zone   = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone);
-    momentPrototype__proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted);
-
-    var momentPrototype = momentPrototype__proto;
-
-    function moment__createUnix (input) {
-        return local__createLocal(input * 1000);
-    }
-
-    function moment__createInZone () {
-        return local__createLocal.apply(null, arguments).parseZone();
-    }
-
-    function preParsePostFormat (string) {
-        return string;
-    }
-
-    var prototype__proto = Locale.prototype;
-
-    prototype__proto.calendar        = locale_calendar__calendar;
-    prototype__proto.longDateFormat  = longDateFormat;
-    prototype__proto.invalidDate     = invalidDate;
-    prototype__proto.ordinal         = ordinal;
-    prototype__proto.preparse        = preParsePostFormat;
-    prototype__proto.postformat      = preParsePostFormat;
-    prototype__proto.relativeTime    = relative__relativeTime;
-    prototype__proto.pastFuture      = pastFuture;
-    prototype__proto.set             = locale_set__set;
-
-    // Month
-    prototype__proto.months            =        localeMonths;
-    prototype__proto.monthsShort       =        localeMonthsShort;
-    prototype__proto.monthsParse       =        localeMonthsParse;
-    prototype__proto.monthsRegex       = monthsRegex;
-    prototype__proto.monthsShortRegex  = monthsShortRegex;
-
-    // Week
-    prototype__proto.week = localeWeek;
-    prototype__proto.firstDayOfYear = localeFirstDayOfYear;
-    prototype__proto.firstDayOfWeek = localeFirstDayOfWeek;
-
-    // Day of Week
-    prototype__proto.weekdays       =        localeWeekdays;
-    prototype__proto.weekdaysMin    =        localeWeekdaysMin;
-    prototype__proto.weekdaysShort  =        localeWeekdaysShort;
-    prototype__proto.weekdaysParse  =        localeWeekdaysParse;
-
-    prototype__proto.weekdaysRegex       =        weekdaysRegex;
-    prototype__proto.weekdaysShortRegex  =        weekdaysShortRegex;
-    prototype__proto.weekdaysMinRegex    =        weekdaysMinRegex;
-
-    // Hours
-    prototype__proto.isPM = localeIsPM;
-    prototype__proto.meridiem = localeMeridiem;
-
-    function lists__get (format, index, field, setter) {
-        var locale = locale_locales__getLocale();
-        var utc = create_utc__createUTC().set(setter, index);
-        return locale[field](utc, format);
-    }
+    var i;
+    var out = [];
+    for (i = 0; i < 12; i++) {
+        out[i] = get$1(format, i, field, 'month');
+    }
+    return out;
+}
 
-    function listMonthsImpl (format, index, field) {
-        if (typeof format === 'number') {
+// ()
+// (5)
+// (fmt, 5)
+// (fmt)
+// (true)
+// (true, 5)
+// (true, fmt, 5)
+// (true, fmt)
+function listWeekdaysImpl (localeSorted, format, index, field) {
+    if (typeof localeSorted === 'boolean') {
+        if (isNumber(format)) {
             index = format;
             format = undefined;
         }
 
         format = format || '';
+    } else {
+        format = localeSorted;
+        index = format;
+        localeSorted = false;
 
-        if (index != null) {
-            return lists__get(format, index, field, 'month');
+        if (isNumber(format)) {
+            index = format;
+            format = undefined;
         }
 
-        var i;
-        var out = [];
-        for (i = 0; i < 12; i++) {
-            out[i] = lists__get(format, i, field, 'month');
-        }
-        return out;
-    }
-
-    // ()
-    // (5)
-    // (fmt, 5)
-    // (fmt)
-    // (true)
-    // (true, 5)
-    // (true, fmt, 5)
-    // (true, fmt)
-    function listWeekdaysImpl (localeSorted, format, index, field) {
-        if (typeof localeSorted === 'boolean') {
-            if (typeof format === 'number') {
-                index = format;
-                format = undefined;
-            }
+        format = format || '';
+    }
 
-            format = format || '';
-        } else {
-            format = localeSorted;
-            index = format;
-            localeSorted = false;
+    var locale = getLocale(),
+        shift = localeSorted ? locale._week.dow : 0;
 
-            if (typeof format === 'number') {
-                index = format;
-                format = undefined;
-            }
+    if (index != null) {
+        return get$1(format, (index + shift) % 7, field, 'day');
+    }
 
-            format = format || '';
-        }
+    var i;
+    var out = [];
+    for (i = 0; i < 7; i++) {
+        out[i] = get$1(format, (i + shift) % 7, field, 'day');
+    }
+    return out;
+}
 
-        var locale = locale_locales__getLocale(),
-            shift = localeSorted ? locale._week.dow : 0;
+function listMonths (format, index) {
+    return listMonthsImpl(format, index, 'months');
+}
 
-        if (index != null) {
-            return lists__get(format, (index + shift) % 7, field, 'day');
-        }
+function listMonthsShort (format, index) {
+    return listMonthsImpl(format, index, 'monthsShort');
+}
 
-        var i;
-        var out = [];
-        for (i = 0; i < 7; i++) {
-            out[i] = lists__get(format, (i + shift) % 7, field, 'day');
-        }
-        return out;
-    }
+function listWeekdays (localeSorted, format, index) {
+    return listWeekdaysImpl(localeSorted, format, index, 'weekdays');
+}
 
-    function lists__listMonths (format, index) {
-        return listMonthsImpl(format, index, 'months');
-    }
+function listWeekdaysShort (localeSorted, format, index) {
+    return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort');
+}
 
-    function lists__listMonthsShort (format, index) {
-        return listMonthsImpl(format, index, 'monthsShort');
-    }
+function listWeekdaysMin (localeSorted, format, index) {
+    return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin');
+}
 
-    function lists__listWeekdays (localeSorted, format, index) {
-        return listWeekdaysImpl(localeSorted, format, index, 'weekdays');
+getSetGlobalLocale('en', {
+    dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/,
+    ordinal : function (number) {
+        var b = number % 10,
+            output = (toInt(number % 100 / 10) === 1) ? 'th' :
+            (b === 1) ? 'st' :
+            (b === 2) ? 'nd' :
+            (b === 3) ? 'rd' : 'th';
+        return number + output;
     }
+});
 
-    function lists__listWeekdaysShort (localeSorted, format, index) {
-        return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort');
-    }
+// Side effect imports
 
-    function lists__listWeekdaysMin (localeSorted, format, index) {
-        return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin');
-    }
+hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', getSetGlobalLocale);
+hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', getLocale);
 
-    locale_locales__getSetGlobalLocale('en', {
-        ordinalParse: /\d{1,2}(th|st|nd|rd)/,
-        ordinal : function (number) {
-            var b = number % 10,
-                output = (toInt(number % 100 / 10) === 1) ? 'th' :
-                (b === 1) ? 'st' :
-                (b === 2) ? 'nd' :
-                (b === 3) ? 'rd' : 'th';
-            return number + output;
-        }
-    });
+var mathAbs = Math.abs;
 
-    // Side effect imports
-    utils_hooks__hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', locale_locales__getSetGlobalLocale);
-    utils_hooks__hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', locale_locales__getLocale);
+function abs () {
+    var data           = this._data;
 
-    var mathAbs = Math.abs;
+    this._milliseconds = mathAbs(this._milliseconds);
+    this._days         = mathAbs(this._days);
+    this._months       = mathAbs(this._months);
 
-    function duration_abs__abs () {
-        var data           = this._data;
+    data.milliseconds  = mathAbs(data.milliseconds);
+    data.seconds       = mathAbs(data.seconds);
+    data.minutes       = mathAbs(data.minutes);
+    data.hours         = mathAbs(data.hours);
+    data.months        = mathAbs(data.months);
+    data.years         = mathAbs(data.years);
 
-        this._milliseconds = mathAbs(this._milliseconds);
-        this._days         = mathAbs(this._days);
-        this._months       = mathAbs(this._months);
+    return this;
+}
 
-        data.milliseconds  = mathAbs(data.milliseconds);
-        data.seconds       = mathAbs(data.seconds);
-        data.minutes       = mathAbs(data.minutes);
-        data.hours         = mathAbs(data.hours);
-        data.months        = mathAbs(data.months);
-        data.years         = mathAbs(data.years);
+function addSubtract$1 (duration, input, value, direction) {
+    var other = createDuration(input, value);
 
-        return this;
-    }
+    duration._milliseconds += direction * other._milliseconds;
+    duration._days         += direction * other._days;
+    duration._months       += direction * other._months;
 
-    function duration_add_subtract__addSubtract (duration, input, value, direction) {
-        var other = create__createDuration(input, value);
+    return duration._bubble();
+}
 
-        duration._milliseconds += direction * other._milliseconds;
-        duration._days         += direction * other._days;
-        duration._months       += direction * other._months;
+// supports only 2.0-style add(1, 's') or add(duration)
+function add$1 (input, value) {
+    return addSubtract$1(this, input, value, 1);
+}
 
-        return duration._bubble();
-    }
+// supports only 2.0-style subtract(1, 's') or subtract(duration)
+function subtract$1 (input, value) {
+    return addSubtract$1(this, input, value, -1);
+}
 
-    // supports only 2.0-style add(1, 's') or add(duration)
-    function duration_add_subtract__add (input, value) {
-        return duration_add_subtract__addSubtract(this, input, value, 1);
+function absCeil (number) {
+    if (number < 0) {
+        return Math.floor(number);
+    } else {
+        return Math.ceil(number);
     }
+}
 
-    // supports only 2.0-style subtract(1, 's') or subtract(duration)
-    function duration_add_subtract__subtract (input, value) {
-        return duration_add_subtract__addSubtract(this, input, value, -1);
-    }
+function bubble () {
+    var milliseconds = this._milliseconds;
+    var days         = this._days;
+    var months       = this._months;
+    var data         = this._data;
+    var seconds, minutes, hours, years, monthsFromDays;
 
-    function absCeil (number) {
-        if (number < 0) {
-            return Math.floor(number);
-        } else {
-            return Math.ceil(number);
-        }
+    // if we have a mix of positive and negative values, bubble down first
+    // check: https://github.com/moment/moment/issues/2166
+    if (!((milliseconds >= 0 && days >= 0 && months >= 0) ||
+            (milliseconds <= 0 && days <= 0 && months <= 0))) {
+        milliseconds += absCeil(monthsToDays(months) + days) * 864e5;
+        days = 0;
+        months = 0;
     }
 
-    function bubble () {
-        var milliseconds = this._milliseconds;
-        var days         = this._days;
-        var months       = this._months;
-        var data         = this._data;
-        var seconds, minutes, hours, years, monthsFromDays;
-
-        // if we have a mix of positive and negative values, bubble down first
-        // check: https://github.com/moment/moment/issues/2166
-        if (!((milliseconds >= 0 && days >= 0 && months >= 0) ||
-                (milliseconds <= 0 && days <= 0 && months <= 0))) {
-            milliseconds += absCeil(monthsToDays(months) + days) * 864e5;
-            days = 0;
-            months = 0;
-        }
+    // The following code bubbles up values, see the tests for
+    // examples of what that means.
+    data.milliseconds = milliseconds % 1000;
 
-        // The following code bubbles up values, see the tests for
-        // examples of what that means.
-        data.milliseconds = milliseconds % 1000;
+    seconds           = absFloor(milliseconds / 1000);
+    data.seconds      = seconds % 60;
 
-        seconds           = absFloor(milliseconds / 1000);
-        data.seconds      = seconds % 60;
+    minutes           = absFloor(seconds / 60);
+    data.minutes      = minutes % 60;
 
-        minutes           = absFloor(seconds / 60);
-        data.minutes      = minutes % 60;
+    hours             = absFloor(minutes / 60);
+    data.hours        = hours % 24;
 
-        hours             = absFloor(minutes / 60);
-        data.hours        = hours % 24;
+    days += absFloor(hours / 24);
 
-        days += absFloor(hours / 24);
+    // convert days to months
+    monthsFromDays = absFloor(daysToMonths(days));
+    months += monthsFromDays;
+    days -= absCeil(monthsToDays(monthsFromDays));
 
-        // convert days to months
-        monthsFromDays = absFloor(daysToMonths(days));
-        months += monthsFromDays;
-        days -= absCeil(monthsToDays(monthsFromDays));
+    // 12 months -> 1 year
+    years = absFloor(months / 12);
+    months %= 12;
 
-        // 12 months -> 1 year
-        years = absFloor(months / 12);
-        months %= 12;
+    data.days   = days;
+    data.months = months;
+    data.years  = years;
 
-        data.days   = days;
-        data.months = months;
-        data.years  = years;
+    return this;
+}
 
-        return this;
-    }
+function daysToMonths (days) {
+    // 400 years have 146097 days (taking into account leap year rules)
+    // 400 years have 12 months === 4800
+    return days * 4800 / 146097;
+}
 
-    function daysToMonths (days) {
-        // 400 years have 146097 days (taking into account leap year rules)
-        // 400 years have 12 months === 4800
-        return days * 4800 / 146097;
-    }
+function monthsToDays (months) {
+    // the reverse of daysToMonths
+    return months * 146097 / 4800;
+}
 
-    function monthsToDays (months) {
-        // the reverse of daysToMonths
-        return months * 146097 / 4800;
+function as (units) {
+    if (!this.isValid()) {
+        return NaN;
     }
+    var days;
+    var months;
+    var milliseconds = this._milliseconds;
 
-    function as (units) {
-        var days;
-        var months;
-        var milliseconds = this._milliseconds;
+    units = normalizeUnits(units);
 
-        units = normalizeUnits(units);
-
-        if (units === 'month' || units === 'year') {
-            days   = this._days   + milliseconds / 864e5;
-            months = this._months + daysToMonths(days);
-            return units === 'month' ? months : months / 12;
-        } else {
-            // handle milliseconds separately because of floating point math errors (issue #1867)
-            days = this._days + Math.round(monthsToDays(this._months));
-            switch (units) {
-                case 'week'   : return days / 7     + milliseconds / 6048e5;
-                case 'day'    : return days         + milliseconds / 864e5;
-                case 'hour'   : return days * 24    + milliseconds / 36e5;
-                case 'minute' : return days * 1440  + milliseconds / 6e4;
-                case 'second' : return days * 86400 + milliseconds / 1000;
-                // Math.floor prevents floating point math errors here
-                case 'millisecond': return Math.floor(days * 864e5) + milliseconds;
-                default: throw new Error('Unknown unit ' + units);
-            }
+    if (units === 'month' || units === 'year') {
+        days   = this._days   + milliseconds / 864e5;
+        months = this._months + daysToMonths(days);
+        return units === 'month' ? months : months / 12;
+    } else {
+        // handle milliseconds separately because of floating point math errors (issue #1867)
+        days = this._days + Math.round(monthsToDays(this._months));
+        switch (units) {
+            case 'week'   : return days / 7     + milliseconds / 6048e5;
+            case 'day'    : return days         + milliseconds / 864e5;
+            case 'hour'   : return days * 24    + milliseconds / 36e5;
+            case 'minute' : return days * 1440  + milliseconds / 6e4;
+            case 'second' : return days * 86400 + milliseconds / 1000;
+            // Math.floor prevents floating point math errors here
+            case 'millisecond': return Math.floor(days * 864e5) + milliseconds;
+            default: throw new Error('Unknown unit ' + units);
         }
     }
+}
 
-    // TODO: Use this.as('ms')?
-    function duration_as__valueOf () {
-        return (
-            this._milliseconds +
-            this._days * 864e5 +
-            (this._months % 12) * 2592e6 +
-            toInt(this._months / 12) * 31536e6
-        );
+// TODO: Use this.as('ms')?
+function valueOf$1 () {
+    if (!this.isValid()) {
+        return NaN;
     }
+    return (
+        this._milliseconds +
+        this._days * 864e5 +
+        (this._months % 12) * 2592e6 +
+        toInt(this._months / 12) * 31536e6
+    );
+}
 
-    function makeAs (alias) {
-        return function () {
-            return this.as(alias);
-        };
-    }
+function makeAs (alias) {
+    return function () {
+        return this.as(alias);
+    };
+}
 
-    var asMilliseconds = makeAs('ms');
-    var asSeconds      = makeAs('s');
-    var asMinutes      = makeAs('m');
-    var asHours        = makeAs('h');
-    var asDays         = makeAs('d');
-    var asWeeks        = makeAs('w');
-    var asMonths       = makeAs('M');
-    var asYears        = makeAs('y');
+var asMilliseconds = makeAs('ms');
+var asSeconds      = makeAs('s');
+var asMinutes      = makeAs('m');
+var asHours        = makeAs('h');
+var asDays         = makeAs('d');
+var asWeeks        = makeAs('w');
+var asMonths       = makeAs('M');
+var asYears        = makeAs('y');
+
+function clone$1 () {
+    return createDuration(this);
+}
 
-    function duration_get__get (units) {
-        units = normalizeUnits(units);
-        return this[units + 's']();
-    }
+function get$2 (units) {
+    units = normalizeUnits(units);
+    return this.isValid() ? this[units + 's']() : NaN;
+}
 
-    function makeGetter(name) {
-        return function () {
-            return this._data[name];
-        };
-    }
+function makeGetter(name) {
+    return function () {
+        return this.isValid() ? this._data[name] : NaN;
+    };
+}
 
-    var milliseconds = makeGetter('milliseconds');
-    var seconds      = makeGetter('seconds');
-    var minutes      = makeGetter('minutes');
-    var hours        = makeGetter('hours');
-    var days         = makeGetter('days');
-    var months       = makeGetter('months');
-    var years        = makeGetter('years');
+var milliseconds = makeGetter('milliseconds');
+var seconds      = makeGetter('seconds');
+var minutes      = makeGetter('minutes');
+var hours        = makeGetter('hours');
+var days         = makeGetter('days');
+var months       = makeGetter('months');
+var years        = makeGetter('years');
 
-    function weeks () {
-        return absFloor(this.days() / 7);
-    }
+function weeks () {
+    return absFloor(this.days() / 7);
+}
 
-    var round = Math.round;
-    var thresholds = {
-        s: 45,  // seconds to minute
-        m: 45,  // minutes to hour
-        h: 22,  // hours to day
-        d: 26,  // days to month
-        M: 11   // months to year
-    };
+var round = Math.round;
+var thresholds = {
+    ss: 44,         // a few seconds to seconds
+    s : 45,         // seconds to minute
+    m : 45,         // minutes to hour
+    h : 22,         // hours to day
+    d : 26,         // days to month
+    M : 11          // months to year
+};
 
-    // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
-    function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
-        return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
-    }
-
-    function duration_humanize__relativeTime (posNegDuration, withoutSuffix, locale) {
-        var duration = create__createDuration(posNegDuration).abs();
-        var seconds  = round(duration.as('s'));
-        var minutes  = round(duration.as('m'));
-        var hours    = round(duration.as('h'));
-        var days     = round(duration.as('d'));
-        var months   = round(duration.as('M'));
-        var years    = round(duration.as('y'));
-
-        var a = seconds < thresholds.s && ['s', seconds]  ||
-                minutes <= 1           && ['m']           ||
-                minutes < thresholds.m && ['mm', minutes] ||
-                hours   <= 1           && ['h']           ||
-                hours   < thresholds.h && ['hh', hours]   ||
-                days    <= 1           && ['d']           ||
-                days    < thresholds.d && ['dd', days]    ||
-                months  <= 1           && ['M']           ||
-                months  < thresholds.M && ['MM', months]  ||
-                years   <= 1           && ['y']           || ['yy', years];
-
-        a[2] = withoutSuffix;
-        a[3] = +posNegDuration > 0;
-        a[4] = locale;
-        return substituteTimeAgo.apply(null, a);
-    }
-
-    // This function allows you to set the rounding function for relative time strings
-    function duration_humanize__getSetRelativeTimeRounding (roundingFunction) {
-        if (roundingFunction === undefined) {
-            return round;
-        }
-        if (typeof(roundingFunction) === 'function') {
-            round = roundingFunction;
-            return true;
-        }
+// helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
+function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
+    return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
+}
+
+function relativeTime$1 (posNegDuration, withoutSuffix, locale) {
+    var duration = createDuration(posNegDuration).abs();
+    var seconds  = round(duration.as('s'));
+    var minutes  = round(duration.as('m'));
+    var hours    = round(duration.as('h'));
+    var days     = round(duration.as('d'));
+    var months   = round(duration.as('M'));
+    var years    = round(duration.as('y'));
+
+    var a = seconds <= thresholds.ss && ['s', seconds]  ||
+            seconds < thresholds.s   && ['ss', seconds] ||
+            minutes <= 1             && ['m']           ||
+            minutes < thresholds.m   && ['mm', minutes] ||
+            hours   <= 1             && ['h']           ||
+            hours   < thresholds.h   && ['hh', hours]   ||
+            days    <= 1             && ['d']           ||
+            days    < thresholds.d   && ['dd', days]    ||
+            months  <= 1             && ['M']           ||
+            months  < thresholds.M   && ['MM', months]  ||
+            years   <= 1             && ['y']           || ['yy', years];
+
+    a[2] = withoutSuffix;
+    a[3] = +posNegDuration > 0;
+    a[4] = locale;
+    return substituteTimeAgo.apply(null, a);
+}
+
+// This function allows you to set the rounding function for relative time strings
+function getSetRelativeTimeRounding (roundingFunction) {
+    if (roundingFunction === undefined) {
+        return round;
+    }
+    if (typeof(roundingFunction) === 'function') {
+        round = roundingFunction;
+        return true;
+    }
+    return false;
+}
+
+// This function allows you to set a threshold for relative time strings
+function getSetRelativeTimeThreshold (threshold, limit) {
+    if (thresholds[threshold] === undefined) {
         return false;
     }
+    if (limit === undefined) {
+        return thresholds[threshold];
+    }
+    thresholds[threshold] = limit;
+    if (threshold === 's') {
+        thresholds.ss = limit - 1;
+    }
+    return true;
+}
 
-    // This function allows you to set a threshold for relative time strings
-    function duration_humanize__getSetRelativeTimeThreshold (threshold, limit) {
-        if (thresholds[threshold] === undefined) {
-            return false;
-        }
-        if (limit === undefined) {
-            return thresholds[threshold];
-        }
-        thresholds[threshold] = limit;
-        return true;
+function humanize (withSuffix) {
+    if (!this.isValid()) {
+        return this.localeData().invalidDate();
     }
 
-    function humanize (withSuffix) {
-        var locale = this.localeData();
-        var output = duration_humanize__relativeTime(this, !withSuffix, locale);
+    var locale = this.localeData();
+    var output = relativeTime$1(this, !withSuffix, locale);
 
-        if (withSuffix) {
-            output = locale.pastFuture(+this, output);
-        }
+    if (withSuffix) {
+        output = locale.pastFuture(+this, output);
+    }
 
-        return locale.postformat(output);
-    }
-
-    var iso_string__abs = Math.abs;
-
-    function iso_string__toISOString() {
-        // for ISO strings we do not use the normal bubbling rules:
-        //  * milliseconds bubble up until they become hours
-        //  * days do not bubble at all
-        //  * months bubble up until they become years
-        // This is because there is no context-free conversion between hours and days
-        // (think of clock changes)
-        // and also not between days and months (28-31 days per month)
-        var seconds = iso_string__abs(this._milliseconds) / 1000;
-        var days         = iso_string__abs(this._days);
-        var months       = iso_string__abs(this._months);
-        var minutes, hours, years;
-
-        // 3600 seconds -> 60 minutes -> 1 hour
-        minutes           = absFloor(seconds / 60);
-        hours             = absFloor(minutes / 60);
-        seconds %= 60;
-        minutes %= 60;
-
-        // 12 months -> 1 year
-        years  = absFloor(months / 12);
-        months %= 12;
-
-
-        // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
-        var Y = years;
-        var M = months;
-        var D = days;
-        var h = hours;
-        var m = minutes;
-        var s = seconds;
-        var total = this.asSeconds();
-
-        if (!total) {
-            // this is the same as C#'s (Noda) and python (isodate)...
-            // but not other JS (goog.date)
-            return 'P0D';
-        }
+    return locale.postformat(output);
+}
 
-        return (total < 0 ? '-' : '') +
-            'P' +
-            (Y ? Y + 'Y' : '') +
-            (M ? M + 'M' : '') +
-            (D ? D + 'D' : '') +
-            ((h || m || s) ? 'T' : '') +
-            (h ? h + 'H' : '') +
-            (m ? m + 'M' : '') +
-            (s ? s + 'S' : '');
-    }
-
-    var duration_prototype__proto = Duration.prototype;
-
-    duration_prototype__proto.abs            = duration_abs__abs;
-    duration_prototype__proto.add            = duration_add_subtract__add;
-    duration_prototype__proto.subtract       = duration_add_subtract__subtract;
-    duration_prototype__proto.as             = as;
-    duration_prototype__proto.asMilliseconds = asMilliseconds;
-    duration_prototype__proto.asSeconds      = asSeconds;
-    duration_prototype__proto.asMinutes      = asMinutes;
-    duration_prototype__proto.asHours        = asHours;
-    duration_prototype__proto.asDays         = asDays;
-    duration_prototype__proto.asWeeks        = asWeeks;
-    duration_prototype__proto.asMonths       = asMonths;
-    duration_prototype__proto.asYears        = asYears;
-    duration_prototype__proto.valueOf        = duration_as__valueOf;
-    duration_prototype__proto._bubble        = bubble;
-    duration_prototype__proto.get            = duration_get__get;
-    duration_prototype__proto.milliseconds   = milliseconds;
-    duration_prototype__proto.seconds        = seconds;
-    duration_prototype__proto.minutes        = minutes;
-    duration_prototype__proto.hours          = hours;
-    duration_prototype__proto.days           = days;
-    duration_prototype__proto.weeks          = weeks;
-    duration_prototype__proto.months         = months;
-    duration_prototype__proto.years          = years;
-    duration_prototype__proto.humanize       = humanize;
-    duration_prototype__proto.toISOString    = iso_string__toISOString;
-    duration_prototype__proto.toString       = iso_string__toISOString;
-    duration_prototype__proto.toJSON         = iso_string__toISOString;
-    duration_prototype__proto.locale         = locale;
-    duration_prototype__proto.localeData     = localeData;
-
-    // Deprecations
-    duration_prototype__proto.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', iso_string__toISOString);
-    duration_prototype__proto.lang = lang;
-
-    // Side effect imports
-
-    // FORMATTING
-
-    addFormatToken('X', 0, 0, 'unix');
-    addFormatToken('x', 0, 0, 'valueOf');
-
-    // PARSING
-
-    addRegexToken('x', matchSigned);
-    addRegexToken('X', matchTimestamp);
-    addParseToken('X', function (input, array, config) {
-        config._d = new Date(parseFloat(input, 10) * 1000);
-    });
-    addParseToken('x', function (input, array, config) {
-        config._d = new Date(toInt(input));
-    });
+var abs$1 = Math.abs;
+
+function sign(x) {
+    return ((x > 0) - (x < 0)) || +x;
+}
+
+function toISOString$1() {
+    // for ISO strings we do not use the normal bubbling rules:
+    //  * milliseconds bubble up until they become hours
+    //  * days do not bubble at all
+    //  * months bubble up until they become years
+    // This is because there is no context-free conversion between hours and days
+    // (think of clock changes)
+    // and also not between days and months (28-31 days per month)
+    if (!this.isValid()) {
+        return this.localeData().invalidDate();
+    }
+
+    var seconds = abs$1(this._milliseconds) / 1000;
+    var days         = abs$1(this._days);
+    var months       = abs$1(this._months);
+    var minutes, hours, years;
+
+    // 3600 seconds -> 60 minutes -> 1 hour
+    minutes           = absFloor(seconds / 60);
+    hours             = absFloor(minutes / 60);
+    seconds %= 60;
+    minutes %= 60;
+
+    // 12 months -> 1 year
+    years  = absFloor(months / 12);
+    months %= 12;
+
+
+    // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
+    var Y = years;
+    var M = months;
+    var D = days;
+    var h = hours;
+    var m = minutes;
+    var s = seconds ? seconds.toFixed(3).replace(/\.?0+$/, '') : '';
+    var total = this.asSeconds();
+
+    if (!total) {
+        // this is the same as C#'s (Noda) and python (isodate)...
+        // but not other JS (goog.date)
+        return 'P0D';
+    }
+
+    var totalSign = total < 0 ? '-' : '';
+    var ymSign = sign(this._months) !== sign(total) ? '-' : '';
+    var daysSign = sign(this._days) !== sign(total) ? '-' : '';
+    var hmsSign = sign(this._milliseconds) !== sign(total) ? '-' : '';
+
+    return totalSign + 'P' +
+        (Y ? ymSign + Y + 'Y' : '') +
+        (M ? ymSign + M + 'M' : '') +
+        (D ? daysSign + D + 'D' : '') +
+        ((h || m || s) ? 'T' : '') +
+        (h ? hmsSign + h + 'H' : '') +
+        (m ? hmsSign + m + 'M' : '') +
+        (s ? hmsSign + s + 'S' : '');
+}
+
+var proto$2 = Duration.prototype;
+
+proto$2.isValid        = isValid$1;
+proto$2.abs            = abs;
+proto$2.add            = add$1;
+proto$2.subtract       = subtract$1;
+proto$2.as             = as;
+proto$2.asMilliseconds = asMilliseconds;
+proto$2.asSeconds      = asSeconds;
+proto$2.asMinutes      = asMinutes;
+proto$2.asHours        = asHours;
+proto$2.asDays         = asDays;
+proto$2.asWeeks        = asWeeks;
+proto$2.asMonths       = asMonths;
+proto$2.asYears        = asYears;
+proto$2.valueOf        = valueOf$1;
+proto$2._bubble        = bubble;
+proto$2.clone          = clone$1;
+proto$2.get            = get$2;
+proto$2.milliseconds   = milliseconds;
+proto$2.seconds        = seconds;
+proto$2.minutes        = minutes;
+proto$2.hours          = hours;
+proto$2.days           = days;
+proto$2.weeks          = weeks;
+proto$2.months         = months;
+proto$2.years          = years;
+proto$2.humanize       = humanize;
+proto$2.toISOString    = toISOString$1;
+proto$2.toString       = toISOString$1;
+proto$2.toJSON         = toISOString$1;
+proto$2.locale         = locale;
+proto$2.localeData     = localeData;
+
+proto$2.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', toISOString$1);
+proto$2.lang = lang;
+
+// Side effect imports
+
+// FORMATTING
+
+addFormatToken('X', 0, 0, 'unix');
+addFormatToken('x', 0, 0, 'valueOf');
+
+// PARSING
+
+addRegexToken('x', matchSigned);
+addRegexToken('X', matchTimestamp);
+addParseToken('X', function (input, array, config) {
+    config._d = new Date(parseFloat(input, 10) * 1000);
+});
+addParseToken('x', function (input, array, config) {
+    config._d = new Date(toInt(input));
+});
+
+// Side effect imports
+
+
+hooks.version = '2.21.0';
+
+setHookCallback(createLocal);
+
+hooks.fn                    = proto;
+hooks.min                   = min;
+hooks.max                   = max;
+hooks.now                   = now;
+hooks.utc                   = createUTC;
+hooks.unix                  = createUnix;
+hooks.months                = listMonths;
+hooks.isDate                = isDate;
+hooks.locale                = getSetGlobalLocale;
+hooks.invalid               = createInvalid;
+hooks.duration              = createDuration;
+hooks.isMoment              = isMoment;
+hooks.weekdays              = listWeekdays;
+hooks.parseZone             = createInZone;
+hooks.localeData            = getLocale;
+hooks.isDuration            = isDuration;
+hooks.monthsShort           = listMonthsShort;
+hooks.weekdaysMin           = listWeekdaysMin;
+hooks.defineLocale          = defineLocale;
+hooks.updateLocale          = updateLocale;
+hooks.locales               = listLocales;
+hooks.weekdaysShort         = listWeekdaysShort;
+hooks.normalizeUnits        = normalizeUnits;
+hooks.relativeTimeRounding  = getSetRelativeTimeRounding;
+hooks.relativeTimeThreshold = getSetRelativeTimeThreshold;
+hooks.calendarFormat        = getCalendarFormat;
+hooks.prototype             = proto;
+
+// currently HTML5 input type only supports 24-hour formats
+hooks.HTML5_FMT = {
+    DATETIME_LOCAL: 'YYYY-MM-DDTHH:mm',             // <input type="datetime-local" />
+    DATETIME_LOCAL_SECONDS: 'YYYY-MM-DDTHH:mm:ss',  // <input type="datetime-local" step="1" />
+    DATETIME_LOCAL_MS: 'YYYY-MM-DDTHH:mm:ss.SSS',   // <input type="datetime-local" step="0.001" />
+    DATE: 'YYYY-MM-DD',                             // <input type="date" />
+    TIME: 'HH:mm',                                  // <input type="time" />
+    TIME_SECONDS: 'HH:mm:ss',                       // <input type="time" step="1" />
+    TIME_MS: 'HH:mm:ss.SSS',                        // <input type="time" step="0.001" />
+    WEEK: 'YYYY-[W]WW',                             // <input type="week" />
+    MONTH: 'YYYY-MM'                                // <input type="month" />
+};
+
+return hooks;
+
+})));
 
-    // Side effect imports
-
-
-    utils_hooks__hooks.version = '2.15.0';
-
-    setHookCallback(local__createLocal);
-
-    utils_hooks__hooks.fn                    = momentPrototype;
-    utils_hooks__hooks.min                   = min;
-    utils_hooks__hooks.max                   = max;
-    utils_hooks__hooks.now                   = now;
-    utils_hooks__hooks.utc                   = create_utc__createUTC;
-    utils_hooks__hooks.unix                  = moment__createUnix;
-    utils_hooks__hooks.months                = lists__listMonths;
-    utils_hooks__hooks.isDate                = isDate;
-    utils_hooks__hooks.locale                = locale_locales__getSetGlobalLocale;
-    utils_hooks__hooks.invalid               = valid__createInvalid;
-    utils_hooks__hooks.duration              = create__createDuration;
-    utils_hooks__hooks.isMoment              = isMoment;
-    utils_hooks__hooks.weekdays              = lists__listWeekdays;
-    utils_hooks__hooks.parseZone             = moment__createInZone;
-    utils_hooks__hooks.localeData            = locale_locales__getLocale;
-    utils_hooks__hooks.isDuration            = isDuration;
-    utils_hooks__hooks.monthsShort           = lists__listMonthsShort;
-    utils_hooks__hooks.weekdaysMin           = lists__listWeekdaysMin;
-    utils_hooks__hooks.defineLocale          = defineLocale;
-    utils_hooks__hooks.updateLocale          = updateLocale;
-    utils_hooks__hooks.locales               = locale_locales__listLocales;
-    utils_hooks__hooks.weekdaysShort         = lists__listWeekdaysShort;
-    utils_hooks__hooks.normalizeUnits        = normalizeUnits;
-    utils_hooks__hooks.relativeTimeRounding = duration_humanize__getSetRelativeTimeRounding;
-    utils_hooks__hooks.relativeTimeThreshold = duration_humanize__getSetRelativeTimeThreshold;
-    utils_hooks__hooks.calendarFormat        = getCalendarFormat;
-    utils_hooks__hooks.prototype             = momentPrototype;
-
-    var _moment = utils_hooks__hooks;
-
-    return _moment;
-
-}));
 },{}],4:[function(require,module,exports){
 'use strict';
 const UNITS = ['B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
diff --git a/js/kudosplease-min.js b/js/kudosplease-min.js
new file mode 100644
index 0000000..28c0de0
--- /dev/null
+++ b/js/kudosplease-min.js
@@ -0,0 +1 @@
+KudosPlease=(function(){var a=document.documentElement.classList,p=!!a,e=function(r,q){return p?function(s,t){if(t!=""){return s.classList[r](t)}}:q},g=e("add",function(s,r){r=r.split(",");for(var q=0;q<r.length;q++){if(s.className.indexOf(r[q])==-1){s.className=s.className.trim()+" "+r[q]}}}),o=e("remove",function(s,r){r=r.split(",");for(var q=0;q<r.length;q++){s.className=s.className.replace(r[q],"").trim()}}),d=e("contains",function(u,t){var s=u.className.split(" "),q=false;for(var r=0;r<s.length;r++){if(s[r]==t){q=true}}return q}),h=function(q,r,s){if(s.status!=undefined){if(q.getAttribute("data-status")!=undefined){o(q,s.status[q.getAttribute("data-status")])}g(q,s.status[r]);q.setAttribute("data-status",r)}},n=function(q,s,r){g(q,"finish");h(q,"gamma",r);s=s||false;amount=l(parseInt(q.getAttribute("data-id"),10),r);if(s){++amount;b(q,"POST",r)}},j=function(r,q,t){var s=-1;if(!d(q,"finish")){g(q,"active");s=setTimeout(function(){o(q,"active");n(q,true,t)},t.duration);t.timer[q.getAttribute("data-id")]=s}},m=function(r,q,s){if(r.touches.length===1){r.stopPropagation();r.preventDefault();j(r,q,s)}},c=function(r,q,s){if(!d(q,"finish")){o(q,"active");clearTimeout(s.timer[q.getAttribute("data-id")])}},f=function(q,s,r,u){try{q.addEventListener(s,function(v){r(v,q,u)},false)}catch(t){q.attachEvent("on"+s,function(v){r(v,q,u)})}},i=function(r,q,s){if(s.persistent){window.localStorage.setItem("kudos:saved:"+r.getAttribute("data-url"),q)}},l=function(s,r){var q=r.elements[s].getAttribute("data-amount")||0;if(r.persistent){if((amount=window.localStorage.getItem("kudos:saved:"+r.elements[s].getAttribute("data-url")))!=undefined){q=amount}}return q},b=function(s,r,v){var u;try{u=new ActiveXObject("Microsoft.XMLHTTP")}catch(t){u=new XMLHttpRequest()}u.onreadystatechange=function(){if(u.readyState==4&&u.status==200){var w=u.responseText;s.setAttribute("data-amount",w);if(r=="GET"){h(s,w==0?"alpha":"beta",v);if(v.persistent&&window.localStorage.getItem("kudos:saved:"+s.getAttribute("data-url"))!=null){h(s,"gamma",v)}}if(r=="POST"){i(s,w,v)}}};var q="?url="+encodeURIComponent(s.getAttribute("data-url"));u.open(r,"https://kudos.niels-ole.com/"+q,true);u.send()};function k(q){this.elements=document.querySelectorAll(q.el);this.status=q.status;this.persistent=q.persistent!=undefined?(q.persistent&&window.localStorage!=undefined):true;this.duration=q.duration;this.timer={};for(var r=0;r<this.elements.length;r++){var s=this.elements[r];s.setAttribute("data-id",r);b(s,"GET",this);if(l(r,this)==0){s.setAttribute("data-amount",0);this.timer[r]=-1;f(s,"touchstart",m,this);f(s,"touchend",c,this);f(s,"mouseover",j,this);f(s,"mouseout",c,this)}else{n(s,false,this)}}return this}"".trim||(String.prototype.trim=function(){return this.replace(/^\s+|\s+$/g,"")});return k})();
\ No newline at end of file
diff --git a/package.json b/package.json
index c437dfb..0dbb59a 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "Magnet Player",
+  "name": "magnet-player",
   "description": "Video streaming directly from your browser",
   "version": "1.0.0",
   "author": {