From 00f84fc5f5771addad02a179fc138cbb23144ea8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Reuille?= <stephane.reuille@euronews.com>
Date: Thu, 28 Jun 2018 16:44:20 +0200
Subject: [PATCH] Add iframe as element to not consider blank

---
 package-lock.json     | 1432 +++++++++++++++++++++--------------------
 src/node.js           |    2 +-
 test/turndown-test.js |    8 +-
 3 files changed, 727 insertions(+), 715 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 7fa9c4e5..a6821622 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,8 +10,8 @@
       "integrity": "sha1-cH92HgHa6eFvG8+TcDt4xwlmV5o=",
       "dev": true,
       "requires": {
-        "jsonparse": "^1.2.0",
-        "through": ">=2.2.7 <3"
+        "jsonparse": "1.3.1",
+        "through": "2.3.8"
       }
     },
     "abab": {
@@ -29,7 +29,7 @@
       "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-4.1.0.tgz",
       "integrity": "sha512-KjZwU26uG3u6eZcfGbTULzFcsoz6pegNKtHPksZPOUsiKo5bUmiBPa38FuHZ/Eun+XYh/JCCkS9AS3Lu4McQOQ==",
       "requires": {
-        "acorn": "^5.0.0"
+        "acorn": "5.2.1"
       }
     },
     "acorn-jsx": {
@@ -38,7 +38,7 @@
       "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
       "dev": true,
       "requires": {
-        "acorn": "^3.0.4"
+        "acorn": "3.3.0"
       },
       "dependencies": {
         "acorn": {
@@ -54,10 +54,10 @@
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
       "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
       "requires": {
-        "co": "^4.6.0",
-        "fast-deep-equal": "^1.0.0",
-        "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.3.0"
+        "co": "4.6.0",
+        "fast-deep-equal": "1.1.0",
+        "fast-json-stable-stringify": "2.0.0",
+        "json-schema-traverse": "0.3.1"
       }
     },
     "ajv-keywords": {
@@ -84,7 +84,7 @@
       "integrity": "sha1-c9g7wmP4bpf4zE9rrhsOkKfSLIY=",
       "dev": true,
       "requires": {
-        "sprintf-js": "~1.0.2"
+        "sprintf-js": "1.0.3"
       }
     },
     "arr-diff": {
@@ -93,7 +93,7 @@
       "integrity": "sha1-jzuCf5Vai9ZpaX5KQlasPOrjVs8=",
       "dev": true,
       "requires": {
-        "arr-flatten": "^1.0.1"
+        "arr-flatten": "1.1.0"
       }
     },
     "arr-flatten": {
@@ -131,7 +131,7 @@
       "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
       "dev": true,
       "requires": {
-        "array-uniq": "^1.0.1"
+        "array-uniq": "1.0.3"
       }
     },
     "array-uniq": {
@@ -152,8 +152,8 @@
       "integrity": "sha1-VWpcU2LAhkgyPdrrnenRS8GGTJA=",
       "dev": true,
       "requires": {
-        "define-properties": "^1.1.2",
-        "es-abstract": "^1.7.0"
+        "define-properties": "1.1.2",
+        "es-abstract": "1.10.0"
       }
     },
     "arrify": {
@@ -173,9 +173,9 @@
       "integrity": "sha1-gRfvT37YfNj4kES1v/l6wkOhbJo=",
       "dev": true,
       "requires": {
-        "bn.js": "^4.0.0",
-        "inherits": "^2.0.1",
-        "minimalistic-assert": "^1.0.0"
+        "bn.js": "4.11.8",
+        "inherits": "2.0.3",
+        "minimalistic-assert": "1.0.0"
       }
     },
     "assert": {
@@ -198,7 +198,7 @@
       "integrity": "sha1-e9QXhNMkk5h66yOba04cV6hzuRc=",
       "dev": true,
       "requires": {
-        "acorn": "^4.0.3"
+        "acorn": "4.0.13"
       },
       "dependencies": {
         "acorn": {
@@ -235,9 +235,9 @@
       "integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
       "dev": true,
       "requires": {
-        "chalk": "^1.1.3",
-        "esutils": "^2.0.2",
-        "js-tokens": "^3.0.2"
+        "chalk": "1.1.3",
+        "esutils": "2.0.2",
+        "js-tokens": "3.0.2"
       },
       "dependencies": {
         "ansi-regex": {
@@ -258,11 +258,11 @@
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
-            "ansi-styles": "^2.2.1",
-            "escape-string-regexp": "^1.0.2",
-            "has-ansi": "^2.0.0",
-            "strip-ansi": "^3.0.0",
-            "supports-color": "^2.0.0"
+            "ansi-styles": "2.2.1",
+            "escape-string-regexp": "1.0.5",
+            "has-ansi": "2.0.0",
+            "strip-ansi": "3.0.1",
+            "supports-color": "2.0.0"
           }
         },
         "strip-ansi": {
@@ -271,7 +271,7 @@
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
-            "ansi-regex": "^2.0.0"
+            "ansi-regex": "2.1.1"
           }
         },
         "supports-color": {
@@ -300,7 +300,7 @@
       "integrity": "sha1-Y7xdy2EzG5K8Bf1SiVPDNGKgb40=",
       "optional": true,
       "requires": {
-        "tweetnacl": "^0.14.3"
+        "tweetnacl": "0.14.5"
       }
     },
     "bn.js": {
@@ -314,7 +314,7 @@
       "resolved": "https://registry.npmjs.org/boom/-/boom-4.3.1.tgz",
       "integrity": "sha1-T4owBctKfjiJ90kDD9JbluAdLjE=",
       "requires": {
-        "hoek": "4.x.x"
+        "hoek": "4.2.1"
       }
     },
     "brace-expansion": {
@@ -323,7 +323,7 @@
       "integrity": "sha1-wHshHHyVLsH479Uad+8NHTmQopI=",
       "dev": true,
       "requires": {
-        "balanced-match": "^1.0.0",
+        "balanced-match": "1.0.0",
         "concat-map": "0.0.1"
       }
     },
@@ -333,9 +333,9 @@
       "integrity": "sha1-uneWLhLf+WnWt2cR6RS3N4V79qc=",
       "dev": true,
       "requires": {
-        "expand-range": "^1.8.1",
-        "preserve": "^0.2.0",
-        "repeat-element": "^1.1.2"
+        "expand-range": "1.8.2",
+        "preserve": "0.2.0",
+        "repeat-element": "1.1.2"
       }
     },
     "brorand": {
@@ -350,11 +350,11 @@
       "integrity": "sha1-+GzWzvT1MAyOY+B6TVEvZfv/RTE=",
       "dev": true,
       "requires": {
-        "JSONStream": "^1.0.3",
-        "combine-source-map": "~0.7.1",
-        "defined": "^1.0.0",
-        "through2": "^2.0.0",
-        "umd": "^3.0.0"
+        "JSONStream": "1.3.1",
+        "combine-source-map": "0.7.2",
+        "defined": "1.0.0",
+        "through2": "2.0.3",
+        "umd": "3.0.1"
       }
     },
     "browser-process-hrtime": {
@@ -385,53 +385,53 @@
       "integrity": "sha1-C7vOUhrNbk0dVNjpNlAI77hanMU=",
       "dev": true,
       "requires": {
-        "JSONStream": "^1.0.3",
-        "assert": "^1.4.0",
-        "browser-pack": "^6.0.1",
-        "browser-resolve": "^1.11.0",
-        "browserify-zlib": "~0.2.0",
-        "buffer": "^5.0.2",
-        "cached-path-relative": "^1.0.0",
-        "concat-stream": "~1.5.1",
-        "console-browserify": "^1.1.0",
-        "constants-browserify": "~1.0.0",
-        "crypto-browserify": "^3.0.0",
-        "defined": "^1.0.0",
-        "deps-sort": "^2.0.0",
-        "domain-browser": "~1.1.0",
-        "duplexer2": "~0.1.2",
-        "events": "~1.1.0",
-        "glob": "^7.1.0",
-        "has": "^1.0.0",
-        "htmlescape": "^1.1.0",
-        "https-browserify": "^1.0.0",
-        "inherits": "~2.0.1",
-        "insert-module-globals": "^7.0.0",
-        "labeled-stream-splicer": "^2.0.0",
-        "module-deps": "^4.0.8",
-        "os-browserify": "~0.3.0",
-        "parents": "^1.0.1",
-        "path-browserify": "~0.0.0",
-        "process": "~0.11.0",
-        "punycode": "^1.3.2",
-        "querystring-es3": "~0.2.0",
-        "read-only-stream": "^2.0.0",
-        "readable-stream": "^2.0.2",
-        "resolve": "^1.1.4",
-        "shasum": "^1.0.0",
-        "shell-quote": "^1.6.1",
-        "stream-browserify": "^2.0.0",
-        "stream-http": "^2.0.0",
-        "string_decoder": "~1.0.0",
-        "subarg": "^1.0.0",
-        "syntax-error": "^1.1.1",
-        "through2": "^2.0.0",
-        "timers-browserify": "^1.0.1",
-        "tty-browserify": "~0.0.0",
-        "url": "~0.11.0",
-        "util": "~0.10.1",
-        "vm-browserify": "~0.0.1",
-        "xtend": "^4.0.0"
+        "JSONStream": "1.3.1",
+        "assert": "1.4.1",
+        "browser-pack": "6.0.2",
+        "browser-resolve": "1.11.2",
+        "browserify-zlib": "0.2.0",
+        "buffer": "5.0.8",
+        "cached-path-relative": "1.0.1",
+        "concat-stream": "1.5.2",
+        "console-browserify": "1.1.0",
+        "constants-browserify": "1.0.0",
+        "crypto-browserify": "3.12.0",
+        "defined": "1.0.0",
+        "deps-sort": "2.0.0",
+        "domain-browser": "1.1.7",
+        "duplexer2": "0.1.4",
+        "events": "1.1.1",
+        "glob": "7.1.2",
+        "has": "1.0.1",
+        "htmlescape": "1.1.1",
+        "https-browserify": "1.0.0",
+        "inherits": "2.0.3",
+        "insert-module-globals": "7.0.1",
+        "labeled-stream-splicer": "2.0.0",
+        "module-deps": "4.1.1",
+        "os-browserify": "0.3.0",
+        "parents": "1.0.1",
+        "path-browserify": "0.0.0",
+        "process": "0.11.10",
+        "punycode": "1.4.1",
+        "querystring-es3": "0.2.1",
+        "read-only-stream": "2.0.0",
+        "readable-stream": "2.3.3",
+        "resolve": "1.5.0",
+        "shasum": "1.0.2",
+        "shell-quote": "1.6.1",
+        "stream-browserify": "2.0.1",
+        "stream-http": "2.7.2",
+        "string_decoder": "1.0.3",
+        "subarg": "1.0.0",
+        "syntax-error": "1.3.0",
+        "through2": "2.0.3",
+        "timers-browserify": "1.4.2",
+        "tty-browserify": "0.0.0",
+        "url": "0.11.0",
+        "util": "0.10.3",
+        "vm-browserify": "0.0.4",
+        "xtend": "4.0.1"
       }
     },
     "browserify-aes": {
@@ -440,12 +440,12 @@
       "integrity": "sha1-OLerVe24Bv8tzaGn8WIHc6R3xJ8=",
       "dev": true,
       "requires": {
-        "buffer-xor": "^1.0.3",
-        "cipher-base": "^1.0.0",
-        "create-hash": "^1.1.0",
-        "evp_bytestokey": "^1.0.3",
-        "inherits": "^2.0.1",
-        "safe-buffer": "^5.0.1"
+        "buffer-xor": "1.0.3",
+        "cipher-base": "1.0.4",
+        "create-hash": "1.1.3",
+        "evp_bytestokey": "1.0.3",
+        "inherits": "2.0.3",
+        "safe-buffer": "5.1.1"
       }
     },
     "browserify-cipher": {
@@ -454,9 +454,9 @@
       "integrity": "sha1-mYgkSHS/XtTijalWZtzWasj8Njo=",
       "dev": true,
       "requires": {
-        "browserify-aes": "^1.0.4",
-        "browserify-des": "^1.0.0",
-        "evp_bytestokey": "^1.0.0"
+        "browserify-aes": "1.1.1",
+        "browserify-des": "1.0.0",
+        "evp_bytestokey": "1.0.3"
       }
     },
     "browserify-des": {
@@ -465,9 +465,9 @@
       "integrity": "sha1-2qJ3cXRwki7S/hhZQRihdUOXId0=",
       "dev": true,
       "requires": {
-        "cipher-base": "^1.0.1",
-        "des.js": "^1.0.0",
-        "inherits": "^2.0.1"
+        "cipher-base": "1.0.4",
+        "des.js": "1.0.0",
+        "inherits": "2.0.3"
       }
     },
     "browserify-rsa": {
@@ -476,8 +476,8 @@
       "integrity": "sha1-IeCr+vbyApzy+vsTNWenAdQTVSQ=",
       "dev": true,
       "requires": {
-        "bn.js": "^4.1.0",
-        "randombytes": "^2.0.1"
+        "bn.js": "4.11.8",
+        "randombytes": "2.0.5"
       }
     },
     "browserify-sign": {
@@ -486,13 +486,13 @@
       "integrity": "sha1-qk62jl17ZYuqa/alfmMMvXqT0pg=",
       "dev": true,
       "requires": {
-        "bn.js": "^4.1.1",
-        "browserify-rsa": "^4.0.0",
-        "create-hash": "^1.1.0",
-        "create-hmac": "^1.1.2",
-        "elliptic": "^6.0.0",
-        "inherits": "^2.0.1",
-        "parse-asn1": "^5.0.0"
+        "bn.js": "4.11.8",
+        "browserify-rsa": "4.0.1",
+        "create-hash": "1.1.3",
+        "create-hmac": "1.1.6",
+        "elliptic": "6.4.0",
+        "inherits": "2.0.3",
+        "parse-asn1": "5.1.0"
       }
     },
     "browserify-zlib": {
@@ -501,7 +501,7 @@
       "integrity": "sha1-KGlFnZqjviRf6P4sofRuLn9U1z8=",
       "dev": true,
       "requires": {
-        "pako": "~1.0.5"
+        "pako": "1.0.6"
       }
     },
     "buffer": {
@@ -510,8 +510,8 @@
       "integrity": "sha1-hNqlLnzy+ozkGVvFzw94CeCTCyQ=",
       "dev": true,
       "requires": {
-        "base64-js": "^1.0.2",
-        "ieee754": "^1.1.4"
+        "base64-js": "1.2.1",
+        "ieee754": "1.1.8"
       }
     },
     "buffer-xor": {
@@ -544,7 +544,7 @@
       "integrity": "sha1-lAhe9jWB7NPaqSREqP6U6CV3dR8=",
       "dev": true,
       "requires": {
-        "callsites": "^0.2.0"
+        "callsites": "0.2.0"
       }
     },
     "callsites": {
@@ -564,8 +564,8 @@
       "integrity": "sha1-h2Dk7MJy9MNjUy+SbYdKriwTl94=",
       "dev": true,
       "requires": {
-        "inherits": "^2.0.1",
-        "safe-buffer": "^5.0.1"
+        "inherits": "2.0.3",
+        "safe-buffer": "5.1.1"
       }
     },
     "circular-json": {
@@ -580,7 +580,7 @@
       "integrity": "sha1-ZNo/fValRBLll5S9Ytw1KV6PKYc=",
       "dev": true,
       "requires": {
-        "restore-cursor": "^1.0.1"
+        "restore-cursor": "1.0.1"
       }
     },
     "cli-width": {
@@ -606,10 +606,10 @@
       "integrity": "sha1-CHAxKFazB6h8xKxIbzqaYq7MwJ4=",
       "dev": true,
       "requires": {
-        "convert-source-map": "~1.1.0",
-        "inline-source-map": "~0.6.0",
-        "lodash.memoize": "~3.0.3",
-        "source-map": "~0.5.3"
+        "convert-source-map": "1.1.3",
+        "inline-source-map": "0.6.2",
+        "lodash.memoize": "3.0.4",
+        "source-map": "0.5.7"
       }
     },
     "combined-stream": {
@@ -617,7 +617,7 @@
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
       "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
       "requires": {
-        "delayed-stream": "~1.0.0"
+        "delayed-stream": "1.0.0"
       }
     },
     "concat-map": {
@@ -632,9 +632,9 @@
       "integrity": "sha1-cIl4Yk2FavQaWnQd790mHadSwmY=",
       "dev": true,
       "requires": {
-        "inherits": "~2.0.1",
-        "readable-stream": "~2.0.0",
-        "typedarray": "~0.0.5"
+        "inherits": "2.0.3",
+        "readable-stream": "2.0.6",
+        "typedarray": "0.0.6"
       },
       "dependencies": {
         "readable-stream": {
@@ -643,12 +643,12 @@
           "integrity": "sha1-j5A0HmilPMySh4jaz80Rs265t44=",
           "dev": true,
           "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.1",
-            "isarray": "~1.0.0",
-            "process-nextick-args": "~1.0.6",
-            "string_decoder": "~0.10.x",
-            "util-deprecate": "~1.0.1"
+            "core-util-is": "1.0.2",
+            "inherits": "2.0.3",
+            "isarray": "1.0.0",
+            "process-nextick-args": "1.0.7",
+            "string_decoder": "0.10.31",
+            "util-deprecate": "1.0.2"
           }
         },
         "string_decoder": {
@@ -665,7 +665,7 @@
       "integrity": "sha1-8CQcRXMKn8YyOyBtvzjtx0HQuxA=",
       "dev": true,
       "requires": {
-        "date-now": "^0.1.4"
+        "date-now": "0.1.4"
       }
     },
     "constants-browserify": {
@@ -697,8 +697,8 @@
       "integrity": "sha1-iIxyNZbN92EvZJgjPuvXo1MBc30=",
       "dev": true,
       "requires": {
-        "bn.js": "^4.1.0",
-        "elliptic": "^6.0.0"
+        "bn.js": "4.11.8",
+        "elliptic": "6.4.0"
       }
     },
     "create-hash": {
@@ -707,10 +707,10 @@
       "integrity": "sha1-YGBCrIuSYnUPSDyt2rD1gZFy2P0=",
       "dev": true,
       "requires": {
-        "cipher-base": "^1.0.1",
-        "inherits": "^2.0.1",
-        "ripemd160": "^2.0.0",
-        "sha.js": "^2.4.0"
+        "cipher-base": "1.0.4",
+        "inherits": "2.0.3",
+        "ripemd160": "2.0.1",
+        "sha.js": "2.4.9"
       }
     },
     "create-hmac": {
@@ -719,12 +719,12 @@
       "integrity": "sha1-rLniIaThe9sHbpBlfEK5PjcmzwY=",
       "dev": true,
       "requires": {
-        "cipher-base": "^1.0.3",
-        "create-hash": "^1.1.0",
-        "inherits": "^2.0.1",
-        "ripemd160": "^2.0.0",
-        "safe-buffer": "^5.0.1",
-        "sha.js": "^2.4.8"
+        "cipher-base": "1.0.4",
+        "create-hash": "1.1.3",
+        "inherits": "2.0.3",
+        "ripemd160": "2.0.1",
+        "safe-buffer": "5.1.1",
+        "sha.js": "2.4.9"
       }
     },
     "cryptiles": {
@@ -732,7 +732,7 @@
       "resolved": "https://registry.npmjs.org/cryptiles/-/cryptiles-3.1.2.tgz",
       "integrity": "sha1-qJ+7Ig9c4l7FboxKqKT9e1sNKf4=",
       "requires": {
-        "boom": "5.x.x"
+        "boom": "5.2.0"
       },
       "dependencies": {
         "boom": {
@@ -740,7 +740,7 @@
           "resolved": "https://registry.npmjs.org/boom/-/boom-5.2.0.tgz",
           "integrity": "sha512-Z5BTk6ZRe4tXXQlkqftmsAUANpXmuwlsF5Oov8ThoMbQRzdGTA1ngYRW160GexgOgjsFOKJz0LYhoNi+2AMBUw==",
           "requires": {
-            "hoek": "4.x.x"
+            "hoek": "4.2.1"
           }
         }
       }
@@ -751,17 +751,17 @@
       "integrity": "sha1-OWz58xN/A+S45TLFj2mCVOAPgOw=",
       "dev": true,
       "requires": {
-        "browserify-cipher": "^1.0.0",
-        "browserify-sign": "^4.0.0",
-        "create-ecdh": "^4.0.0",
-        "create-hash": "^1.1.0",
-        "create-hmac": "^1.1.0",
-        "diffie-hellman": "^5.0.0",
-        "inherits": "^2.0.1",
-        "pbkdf2": "^3.0.3",
-        "public-encrypt": "^4.0.0",
-        "randombytes": "^2.0.0",
-        "randomfill": "^1.0.3"
+        "browserify-cipher": "1.0.0",
+        "browserify-sign": "4.0.4",
+        "create-ecdh": "4.0.0",
+        "create-hash": "1.1.3",
+        "create-hmac": "1.1.6",
+        "diffie-hellman": "5.0.2",
+        "inherits": "2.0.3",
+        "pbkdf2": "3.0.14",
+        "public-encrypt": "4.0.0",
+        "randombytes": "2.0.5",
+        "randomfill": "1.0.3"
       }
     },
     "cssom": {
@@ -774,7 +774,7 @@
       "resolved": "https://registry.npmjs.org/cssstyle/-/cssstyle-0.2.37.tgz",
       "integrity": "sha1-VBCXI0yyUTyDzu06zdwn/yeYfVQ=",
       "requires": {
-        "cssom": "0.3.x"
+        "cssom": "0.3.2"
       }
     },
     "d": {
@@ -783,7 +783,7 @@
       "integrity": "sha1-dUu1v+VUUdpppYuU1F9MWwRi1Y8=",
       "dev": true,
       "requires": {
-        "es5-ext": "^0.10.9"
+        "es5-ext": "0.10.37"
       }
     },
     "dashdash": {
@@ -791,7 +791,7 @@
       "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
       "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
       "requires": {
-        "assert-plus": "^1.0.0"
+        "assert-plus": "1.0.0"
       }
     },
     "data-urls": {
@@ -799,9 +799,9 @@
       "resolved": "https://registry.npmjs.org/data-urls/-/data-urls-1.0.0.tgz",
       "integrity": "sha512-ai40PPQR0Fn1lD2PPie79CibnlMN2AYiDhwFX/rZHVsxbs5kNJSjegqXIprhouGXlRdEnfybva7kqRGnB6mypA==",
       "requires": {
-        "abab": "^1.0.4",
-        "whatwg-mimetype": "^2.0.0",
-        "whatwg-url": "^6.4.0"
+        "abab": "1.0.4",
+        "whatwg-mimetype": "2.1.0",
+        "whatwg-url": "6.4.1"
       }
     },
     "date-now": {
@@ -842,8 +842,8 @@
       "integrity": "sha1-g6c/L+pWmJj7c3GTyPhzyvbUXJQ=",
       "dev": true,
       "requires": {
-        "foreach": "^2.0.5",
-        "object-keys": "^1.0.8"
+        "foreach": "2.0.5",
+        "object-keys": "1.0.11"
       }
     },
     "defined": {
@@ -858,12 +858,12 @@
       "integrity": "sha1-TUSr4W7zLHebSXK9FBqAMlApoUo=",
       "dev": true,
       "requires": {
-        "find-root": "^1.0.0",
-        "glob": "^7.0.5",
-        "ignore": "^3.0.9",
-        "pkg-config": "^1.1.0",
-        "run-parallel": "^1.1.2",
-        "uniq": "^1.0.1"
+        "find-root": "1.1.0",
+        "glob": "7.1.2",
+        "ignore": "3.3.7",
+        "pkg-config": "1.1.1",
+        "run-parallel": "1.1.6",
+        "uniq": "1.0.1"
       }
     },
     "del": {
@@ -872,13 +872,13 @@
       "integrity": "sha1-wSyYHQZ4RshLyvhiz/kw2Qf/0ag=",
       "dev": true,
       "requires": {
-        "globby": "^5.0.0",
-        "is-path-cwd": "^1.0.0",
-        "is-path-in-cwd": "^1.0.0",
-        "object-assign": "^4.0.1",
-        "pify": "^2.0.0",
-        "pinkie-promise": "^2.0.0",
-        "rimraf": "^2.2.8"
+        "globby": "5.0.0",
+        "is-path-cwd": "1.0.0",
+        "is-path-in-cwd": "1.0.0",
+        "object-assign": "4.1.1",
+        "pify": "2.3.0",
+        "pinkie-promise": "2.0.1",
+        "rimraf": "2.6.2"
       },
       "dependencies": {
         "pify": {
@@ -900,10 +900,10 @@
       "integrity": "sha1-CRckkC6EZYJg65EHSMzNGvbiH7U=",
       "dev": true,
       "requires": {
-        "JSONStream": "^1.0.3",
-        "shasum": "^1.0.0",
-        "subarg": "^1.0.0",
-        "through2": "^2.0.0"
+        "JSONStream": "1.3.1",
+        "shasum": "1.0.2",
+        "subarg": "1.0.0",
+        "through2": "2.0.3"
       }
     },
     "des.js": {
@@ -912,8 +912,8 @@
       "integrity": "sha1-wHTS4qpqipoH29YfmhXCzYPsjsw=",
       "dev": true,
       "requires": {
-        "inherits": "^2.0.1",
-        "minimalistic-assert": "^1.0.0"
+        "inherits": "2.0.3",
+        "minimalistic-assert": "1.0.0"
       }
     },
     "detective": {
@@ -922,8 +922,8 @@
       "integrity": "sha1-YnbhUPnlCCmtH5Cs5NmiMEGIr88=",
       "dev": true,
       "requires": {
-        "acorn": "^5.2.1",
-        "defined": "^1.0.0"
+        "acorn": "5.2.1",
+        "defined": "1.0.0"
       }
     },
     "diffie-hellman": {
@@ -932,9 +932,9 @@
       "integrity": "sha1-tYNXOScM/ias9jIJn97SoH8gnl4=",
       "dev": true,
       "requires": {
-        "bn.js": "^4.1.0",
-        "miller-rabin": "^4.0.0",
-        "randombytes": "^2.0.0"
+        "bn.js": "4.11.8",
+        "miller-rabin": "4.0.1",
+        "randombytes": "2.0.5"
       }
     },
     "doctrine": {
@@ -943,7 +943,7 @@
       "integrity": "sha1-aPls6O/FbMQmUfH6rbTxdSc7AHU=",
       "dev": true,
       "requires": {
-        "esutils": "^2.0.2"
+        "esutils": "2.0.2"
       }
     },
     "domain-browser": {
@@ -957,7 +957,7 @@
       "resolved": "https://registry.npmjs.org/domexception/-/domexception-1.0.1.tgz",
       "integrity": "sha512-raigMkn7CJNNo6Ihro1fzG7wr3fHuYVytzquZKX5n0yizGsTcYgzdIUwj1X9pK0VvjeihV+XiclP+DjwbsSKug==",
       "requires": {
-        "webidl-conversions": "^4.0.2"
+        "webidl-conversions": "4.0.2"
       }
     },
     "duplexer2": {
@@ -966,7 +966,7 @@
       "integrity": "sha1-ixLauHjA1p4+eJEFFmKjL8a93ME=",
       "dev": true,
       "requires": {
-        "readable-stream": "^2.0.2"
+        "readable-stream": "2.3.3"
       }
     },
     "ecc-jsbn": {
@@ -975,7 +975,7 @@
       "integrity": "sha1-D8c6ntXw1Tw4GTOYUj735UN3dQU=",
       "optional": true,
       "requires": {
-        "jsbn": "~0.1.0"
+        "jsbn": "0.1.1"
       }
     },
     "elliptic": {
@@ -984,13 +984,13 @@
       "integrity": "sha1-ysmvh2LIWDYYcAPI3+GT5eLq5d8=",
       "dev": true,
       "requires": {
-        "bn.js": "^4.4.0",
-        "brorand": "^1.0.1",
-        "hash.js": "^1.0.0",
-        "hmac-drbg": "^1.0.0",
-        "inherits": "^2.0.1",
-        "minimalistic-assert": "^1.0.0",
-        "minimalistic-crypto-utils": "^1.0.0"
+        "bn.js": "4.11.8",
+        "brorand": "1.1.0",
+        "hash.js": "1.1.3",
+        "hmac-drbg": "1.0.1",
+        "inherits": "2.0.3",
+        "minimalistic-assert": "1.0.0",
+        "minimalistic-crypto-utils": "1.0.1"
       }
     },
     "error-ex": {
@@ -999,7 +999,7 @@
       "integrity": "sha1-+FWobOYa3E6GIcPNoh56dhLDqNw=",
       "dev": true,
       "requires": {
-        "is-arrayish": "^0.2.1"
+        "is-arrayish": "0.2.1"
       }
     },
     "es-abstract": {
@@ -1008,11 +1008,11 @@
       "integrity": "sha1-Hss2wZeEKgDY7kwt/YZGu5fWCGQ=",
       "dev": true,
       "requires": {
-        "es-to-primitive": "^1.1.1",
-        "function-bind": "^1.1.1",
-        "has": "^1.0.1",
-        "is-callable": "^1.1.3",
-        "is-regex": "^1.0.4"
+        "es-to-primitive": "1.1.1",
+        "function-bind": "1.1.1",
+        "has": "1.0.1",
+        "is-callable": "1.1.3",
+        "is-regex": "1.0.4"
       }
     },
     "es-to-primitive": {
@@ -1021,9 +1021,9 @@
       "integrity": "sha1-RTVSSKiJeQNLZ5Lhm7gfK3l13Q0=",
       "dev": true,
       "requires": {
-        "is-callable": "^1.1.1",
-        "is-date-object": "^1.0.1",
-        "is-symbol": "^1.0.1"
+        "is-callable": "1.1.3",
+        "is-date-object": "1.0.1",
+        "is-symbol": "1.0.1"
       }
     },
     "es5-ext": {
@@ -1032,8 +1032,8 @@
       "integrity": "sha1-DudB0Ui4AGm6J9AgOTdWryV978M=",
       "dev": true,
       "requires": {
-        "es6-iterator": "~2.0.1",
-        "es6-symbol": "~3.1.1"
+        "es6-iterator": "2.0.3",
+        "es6-symbol": "3.1.1"
       }
     },
     "es6-iterator": {
@@ -1042,9 +1042,9 @@
       "integrity": "sha1-p96IkUGgWpSwhUQDstCg+/qY87c=",
       "dev": true,
       "requires": {
-        "d": "1",
-        "es5-ext": "^0.10.35",
-        "es6-symbol": "^3.1.1"
+        "d": "1.0.0",
+        "es5-ext": "0.10.37",
+        "es6-symbol": "3.1.1"
       }
     },
     "es6-map": {
@@ -1053,12 +1053,12 @@
       "integrity": "sha1-kTbgUD3MBqMBaQ8LsU/042TpSfA=",
       "dev": true,
       "requires": {
-        "d": "1",
-        "es5-ext": "~0.10.14",
-        "es6-iterator": "~2.0.1",
-        "es6-set": "~0.1.5",
-        "es6-symbol": "~3.1.1",
-        "event-emitter": "~0.3.5"
+        "d": "1.0.0",
+        "es5-ext": "0.10.37",
+        "es6-iterator": "2.0.3",
+        "es6-set": "0.1.5",
+        "es6-symbol": "3.1.1",
+        "event-emitter": "0.3.5"
       }
     },
     "es6-set": {
@@ -1067,11 +1067,11 @@
       "integrity": "sha1-0rPsXU2ADO2BjbU40ol02wpzzLE=",
       "dev": true,
       "requires": {
-        "d": "1",
-        "es5-ext": "~0.10.14",
-        "es6-iterator": "~2.0.1",
+        "d": "1.0.0",
+        "es5-ext": "0.10.37",
+        "es6-iterator": "2.0.3",
         "es6-symbol": "3.1.1",
-        "event-emitter": "~0.3.5"
+        "event-emitter": "0.3.5"
       }
     },
     "es6-symbol": {
@@ -1080,8 +1080,8 @@
       "integrity": "sha1-vwDvT9q2uhtG7Le2KbTH7VcVzHc=",
       "dev": true,
       "requires": {
-        "d": "1",
-        "es5-ext": "~0.10.14"
+        "d": "1.0.0",
+        "es5-ext": "0.10.37"
       }
     },
     "es6-weak-map": {
@@ -1090,10 +1090,10 @@
       "integrity": "sha1-XjqzIlH/0VOKH45f+hNXdy+S2W8=",
       "dev": true,
       "requires": {
-        "d": "1",
-        "es5-ext": "^0.10.14",
-        "es6-iterator": "^2.0.1",
-        "es6-symbol": "^3.1.1"
+        "d": "1.0.0",
+        "es5-ext": "0.10.37",
+        "es6-iterator": "2.0.3",
+        "es6-symbol": "3.1.1"
       }
     },
     "escape-string-regexp": {
@@ -1107,11 +1107,11 @@
       "resolved": "https://registry.npmjs.org/escodegen/-/escodegen-1.9.1.tgz",
       "integrity": "sha512-6hTjO1NAWkHnDk3OqQ4YrCuwwmGHL9S3nPlzBOUG/R44rda3wLNrfvQ5fkSGjyhHFKM7ALPKcKGrwvCLe0lC7Q==",
       "requires": {
-        "esprima": "^3.1.3",
-        "estraverse": "^4.2.0",
-        "esutils": "^2.0.2",
-        "optionator": "^0.8.1",
-        "source-map": "~0.6.1"
+        "esprima": "3.1.3",
+        "estraverse": "4.2.0",
+        "esutils": "2.0.2",
+        "optionator": "0.8.2",
+        "source-map": "0.6.1"
       },
       "dependencies": {
         "source-map": {
@@ -1128,10 +1128,10 @@
       "integrity": "sha1-4Bl16BJ4GhY6ba392AOY3GTIicM=",
       "dev": true,
       "requires": {
-        "es6-map": "^0.1.3",
-        "es6-weak-map": "^2.0.1",
-        "esrecurse": "^4.1.0",
-        "estraverse": "^4.1.1"
+        "es6-map": "0.1.5",
+        "es6-weak-map": "2.0.2",
+        "esrecurse": "4.2.0",
+        "estraverse": "4.2.0"
       }
     },
     "eslint": {
@@ -1140,41 +1140,41 @@
       "integrity": "sha1-yPxiAcf0DdCJQbh8CFdnOGpnmsw=",
       "dev": true,
       "requires": {
-        "babel-code-frame": "^6.16.0",
-        "chalk": "^1.1.3",
-        "concat-stream": "^1.5.2",
-        "debug": "^2.1.1",
-        "doctrine": "^2.0.0",
-        "escope": "^3.6.0",
-        "espree": "^3.4.0",
-        "esquery": "^1.0.0",
-        "estraverse": "^4.2.0",
-        "esutils": "^2.0.2",
-        "file-entry-cache": "^2.0.0",
-        "glob": "^7.0.3",
-        "globals": "^9.14.0",
-        "ignore": "^3.2.0",
-        "imurmurhash": "^0.1.4",
-        "inquirer": "^0.12.0",
-        "is-my-json-valid": "^2.10.0",
-        "is-resolvable": "^1.0.0",
-        "js-yaml": "^3.5.1",
-        "json-stable-stringify": "^1.0.0",
-        "levn": "^0.3.0",
-        "lodash": "^4.0.0",
-        "mkdirp": "^0.5.0",
-        "natural-compare": "^1.4.0",
-        "optionator": "^0.8.2",
-        "path-is-inside": "^1.0.1",
-        "pluralize": "^1.2.1",
-        "progress": "^1.1.8",
-        "require-uncached": "^1.0.2",
-        "shelljs": "^0.7.5",
-        "strip-bom": "^3.0.0",
-        "strip-json-comments": "~2.0.1",
-        "table": "^3.7.8",
-        "text-table": "~0.2.0",
-        "user-home": "^2.0.0"
+        "babel-code-frame": "6.26.0",
+        "chalk": "1.1.3",
+        "concat-stream": "1.5.2",
+        "debug": "2.6.9",
+        "doctrine": "2.0.2",
+        "escope": "3.6.0",
+        "espree": "3.5.2",
+        "esquery": "1.0.0",
+        "estraverse": "4.2.0",
+        "esutils": "2.0.2",
+        "file-entry-cache": "2.0.0",
+        "glob": "7.1.2",
+        "globals": "9.18.0",
+        "ignore": "3.3.7",
+        "imurmurhash": "0.1.4",
+        "inquirer": "0.12.0",
+        "is-my-json-valid": "2.16.1",
+        "is-resolvable": "1.0.0",
+        "js-yaml": "3.10.0",
+        "json-stable-stringify": "1.0.1",
+        "levn": "0.3.0",
+        "lodash": "4.17.10",
+        "mkdirp": "0.5.1",
+        "natural-compare": "1.4.0",
+        "optionator": "0.8.2",
+        "path-is-inside": "1.0.2",
+        "pluralize": "1.2.1",
+        "progress": "1.1.8",
+        "require-uncached": "1.0.3",
+        "shelljs": "0.7.8",
+        "strip-bom": "3.0.0",
+        "strip-json-comments": "2.0.1",
+        "table": "3.8.3",
+        "text-table": "0.2.0",
+        "user-home": "2.0.0"
       },
       "dependencies": {
         "ansi-regex": {
@@ -1195,11 +1195,11 @@
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
-            "ansi-styles": "^2.2.1",
-            "escape-string-regexp": "^1.0.2",
-            "has-ansi": "^2.0.0",
-            "strip-ansi": "^3.0.0",
-            "supports-color": "^2.0.0"
+            "ansi-styles": "2.2.1",
+            "escape-string-regexp": "1.0.5",
+            "has-ansi": "2.0.0",
+            "strip-ansi": "3.0.1",
+            "supports-color": "2.0.0"
           }
         },
         "json-stable-stringify": {
@@ -1208,7 +1208,7 @@
           "integrity": "sha1-mnWdOcXy/1A/1TAGRu1EX4jE+a8=",
           "dev": true,
           "requires": {
-            "jsonify": "~0.0.0"
+            "jsonify": "0.0.0"
           }
         },
         "strip-ansi": {
@@ -1217,7 +1217,7 @@
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
-            "ansi-regex": "^2.0.0"
+            "ansi-regex": "2.1.1"
           }
         },
         "supports-color": {
@@ -1246,9 +1246,9 @@
       "integrity": "sha1-Wt2BBujJKNssuiMrzZ76hG49oWw=",
       "dev": true,
       "requires": {
-        "debug": "^2.2.0",
-        "object-assign": "^4.0.1",
-        "resolve": "^1.1.6"
+        "debug": "2.6.9",
+        "object-assign": "4.1.1",
+        "resolve": "1.5.0"
       }
     },
     "eslint-module-utils": {
@@ -1257,8 +1257,8 @@
       "integrity": "sha1-q67IJBd2E7ipWymWOeG2+s9HNEk=",
       "dev": true,
       "requires": {
-        "debug": "^2.6.8",
-        "pkg-dir": "^1.0.0"
+        "debug": "2.6.9",
+        "pkg-dir": "1.0.0"
       }
     },
     "eslint-plugin-import": {
@@ -1267,16 +1267,16 @@
       "integrity": "sha1-crowb60wXWfEgWNIpGmaQimsi04=",
       "dev": true,
       "requires": {
-        "builtin-modules": "^1.1.1",
-        "contains-path": "^0.1.0",
-        "debug": "^2.2.0",
+        "builtin-modules": "1.1.1",
+        "contains-path": "0.1.0",
+        "debug": "2.6.9",
         "doctrine": "1.5.0",
-        "eslint-import-resolver-node": "^0.2.0",
-        "eslint-module-utils": "^2.0.0",
-        "has": "^1.0.1",
-        "lodash.cond": "^4.3.0",
-        "minimatch": "^3.0.3",
-        "pkg-up": "^1.0.0"
+        "eslint-import-resolver-node": "0.2.3",
+        "eslint-module-utils": "2.1.1",
+        "has": "1.0.1",
+        "lodash.cond": "4.5.2",
+        "minimatch": "3.0.4",
+        "pkg-up": "1.0.0"
       },
       "dependencies": {
         "doctrine": {
@@ -1285,8 +1285,8 @@
           "integrity": "sha1-N53Ocw9hZvds76TmcHoVmwLFpvo=",
           "dev": true,
           "requires": {
-            "esutils": "^2.0.2",
-            "isarray": "^1.0.0"
+            "esutils": "2.0.2",
+            "isarray": "1.0.0"
           }
         }
       }
@@ -1297,10 +1297,10 @@
       "integrity": "sha1-wEOQq428u2iHF0Aj1vOnJ2nmO5c=",
       "dev": true,
       "requires": {
-        "ignore": "^3.0.11",
-        "minimatch": "^3.0.2",
-        "object-assign": "^4.0.1",
-        "resolve": "^1.1.7",
+        "ignore": "3.3.7",
+        "minimatch": "3.0.4",
+        "object-assign": "4.1.1",
+        "resolve": "1.5.0",
         "semver": "5.3.0"
       },
       "dependencies": {
@@ -1324,11 +1324,11 @@
       "integrity": "sha1-xUNb6wZ3ThLH2y9qut3L+QDNP3g=",
       "dev": true,
       "requires": {
-        "array.prototype.find": "^2.0.1",
-        "doctrine": "^1.2.2",
-        "has": "^1.0.1",
-        "jsx-ast-utils": "^1.3.4",
-        "object.assign": "^4.0.4"
+        "array.prototype.find": "2.0.4",
+        "doctrine": "1.5.0",
+        "has": "1.0.1",
+        "jsx-ast-utils": "1.4.1",
+        "object.assign": "4.0.4"
       },
       "dependencies": {
         "doctrine": {
@@ -1337,8 +1337,8 @@
           "integrity": "sha1-N53Ocw9hZvds76TmcHoVmwLFpvo=",
           "dev": true,
           "requires": {
-            "esutils": "^2.0.2",
-            "isarray": "^1.0.0"
+            "esutils": "2.0.2",
+            "isarray": "1.0.0"
           }
         }
       }
@@ -1355,8 +1355,8 @@
       "integrity": "sha1-dWrai5eenc/NswqtjRqTBKkF4co=",
       "dev": true,
       "requires": {
-        "acorn": "^5.2.1",
-        "acorn-jsx": "^3.0.0"
+        "acorn": "5.2.1",
+        "acorn-jsx": "3.0.1"
       }
     },
     "esprima": {
@@ -1370,7 +1370,7 @@
       "integrity": "sha1-z7qLV9f7qT8XKYqKAGoEzaE9gPo=",
       "dev": true,
       "requires": {
-        "estraverse": "^4.0.0"
+        "estraverse": "4.2.0"
       }
     },
     "esrecurse": {
@@ -1379,8 +1379,8 @@
       "integrity": "sha1-+pVo2Y04I/mkHZHpAtyrnqblsWM=",
       "dev": true,
       "requires": {
-        "estraverse": "^4.1.0",
-        "object-assign": "^4.0.1"
+        "estraverse": "4.2.0",
+        "object-assign": "4.1.1"
       }
     },
     "estraverse": {
@@ -1405,8 +1405,8 @@
       "integrity": "sha1-34xp7vFkeSPHFXuc6DhAYQsCzDk=",
       "dev": true,
       "requires": {
-        "d": "1",
-        "es5-ext": "~0.10.14"
+        "d": "1.0.0",
+        "es5-ext": "0.10.37"
       }
     },
     "events": {
@@ -1421,8 +1421,8 @@
       "integrity": "sha1-f8vbGY3HGVlDLv4ThCaE4FJaywI=",
       "dev": true,
       "requires": {
-        "md5.js": "^1.3.4",
-        "safe-buffer": "^5.1.1"
+        "md5.js": "1.3.4",
+        "safe-buffer": "5.1.1"
       }
     },
     "exit-hook": {
@@ -1437,7 +1437,7 @@
       "integrity": "sha1-3wcoTjQqgHzXM6xa9yQR5YHRF3s=",
       "dev": true,
       "requires": {
-        "is-posix-bracket": "^0.1.0"
+        "is-posix-bracket": "0.1.1"
       }
     },
     "expand-range": {
@@ -1446,7 +1446,7 @@
       "integrity": "sha1-opnv/TNf4nIeuujiV+x5ZE/IUzc=",
       "dev": true,
       "requires": {
-        "fill-range": "^2.1.0"
+        "fill-range": "2.2.4"
       }
     },
     "extend": {
@@ -1460,7 +1460,7 @@
       "integrity": "sha1-Lhj/PS9JqydlzskCPwEdqo2DSaE=",
       "dev": true,
       "requires": {
-        "is-extglob": "^1.0.0"
+        "is-extglob": "1.0.0"
       }
     },
     "extsprintf": {
@@ -1489,8 +1489,8 @@
       "integrity": "sha1-y+Hjr/zxzUS4DK3+0o3Hk6lwHS4=",
       "dev": true,
       "requires": {
-        "escape-string-regexp": "^1.0.5",
-        "object-assign": "^4.1.0"
+        "escape-string-regexp": "1.0.5",
+        "object-assign": "4.1.1"
       }
     },
     "file-entry-cache": {
@@ -1499,8 +1499,8 @@
       "integrity": "sha1-w5KZDD5oR4PYOLjISkXYoEhFg2E=",
       "dev": true,
       "requires": {
-        "flat-cache": "^1.2.1",
-        "object-assign": "^4.0.1"
+        "flat-cache": "1.3.0",
+        "object-assign": "4.1.1"
       }
     },
     "filename-regex": {
@@ -1513,12 +1513,13 @@
       "version": "2.2.4",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-2.2.4.tgz",
       "integrity": "sha512-cnrcCbj01+j2gTG921VZPnHbjmdAf8oQV/iGeV2kZxGSyfYjjTyY79ErsK1WJWMpw6DaApEX72binqJE+/d+5Q==",
+      "dev": true,
       "requires": {
-        "is-number": "^2.1.0",
-        "isobject": "^2.0.0",
-        "randomatic": "^3.0.0",
-        "repeat-element": "^1.1.2",
-        "repeat-string": "^1.5.2"
+        "is-number": "2.1.0",
+        "isobject": "2.1.0",
+        "randomatic": "3.0.0",
+        "repeat-element": "1.1.2",
+        "repeat-string": "1.6.1"
       }
     },
     "find-root": {
@@ -1533,8 +1534,8 @@
       "integrity": "sha1-ay6YIrGizgpgq2TWEOzK1TyyTQ8=",
       "dev": true,
       "requires": {
-        "path-exists": "^2.0.0",
-        "pinkie-promise": "^2.0.0"
+        "path-exists": "2.1.0",
+        "pinkie-promise": "2.0.1"
       }
     },
     "flat-cache": {
@@ -1543,10 +1544,10 @@
       "integrity": "sha1-0wMLMrOBVPTjt+nHCfSQ9++XxIE=",
       "dev": true,
       "requires": {
-        "circular-json": "^0.3.1",
-        "del": "^2.0.2",
-        "graceful-fs": "^4.1.2",
-        "write": "^0.2.1"
+        "circular-json": "0.3.3",
+        "del": "2.2.2",
+        "graceful-fs": "4.1.11",
+        "write": "0.2.1"
       }
     },
     "for-each": {
@@ -1555,7 +1556,7 @@
       "integrity": "sha1-LEBFC5NI6X8oEyJZO6lnBLmr1NQ=",
       "dev": true,
       "requires": {
-        "is-function": "~1.0.0"
+        "is-function": "1.0.1"
       }
     },
     "for-in": {
@@ -1570,7 +1571,7 @@
       "integrity": "sha1-UmXGgaTylNq78XyVCbZ2OqhFEM4=",
       "dev": true,
       "requires": {
-        "for-in": "^1.0.1"
+        "for-in": "1.0.2"
       }
     },
     "foreach": {
@@ -1589,9 +1590,9 @@
       "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.2.tgz",
       "integrity": "sha1-SXBJi+YEwgwAXU9cI67NIda0kJk=",
       "requires": {
-        "asynckit": "^0.4.0",
+        "asynckit": "0.4.0",
         "combined-stream": "1.0.6",
-        "mime-types": "^2.1.12"
+        "mime-types": "2.1.18"
       }
     },
     "fs.realpath": {
@@ -1618,7 +1619,7 @@
       "integrity": "sha1-nA4cQDCM6AT0eDYYuTf6iPmdUNA=",
       "dev": true,
       "requires": {
-        "is-property": "^1.0.0"
+        "is-property": "1.0.2"
       }
     },
     "get-stdin": {
@@ -1632,7 +1633,7 @@
       "resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
       "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
       "requires": {
-        "assert-plus": "^1.0.0"
+        "assert-plus": "1.0.0"
       }
     },
     "glob": {
@@ -1641,12 +1642,12 @@
       "integrity": "sha1-wZyd+aAocC1nhhI4SmVSQExjbRU=",
       "dev": true,
       "requires": {
-        "fs.realpath": "^1.0.0",
-        "inflight": "^1.0.4",
-        "inherits": "2",
-        "minimatch": "^3.0.4",
-        "once": "^1.3.0",
-        "path-is-absolute": "^1.0.0"
+        "fs.realpath": "1.0.0",
+        "inflight": "1.0.6",
+        "inherits": "2.0.3",
+        "minimatch": "3.0.4",
+        "once": "1.4.0",
+        "path-is-absolute": "1.0.1"
       }
     },
     "glob-base": {
@@ -1655,8 +1656,8 @@
       "integrity": "sha1-27Fk9iIbHAscz4Kuoyi0l98Oo8Q=",
       "dev": true,
       "requires": {
-        "glob-parent": "^2.0.0",
-        "is-glob": "^2.0.0"
+        "glob-parent": "2.0.0",
+        "is-glob": "2.0.1"
       }
     },
     "glob-parent": {
@@ -1665,7 +1666,7 @@
       "integrity": "sha1-gTg9ctsFT8zPUzbaqQLxgvbtuyg=",
       "dev": true,
       "requires": {
-        "is-glob": "^2.0.0"
+        "is-glob": "2.0.1"
       }
     },
     "globals": {
@@ -1680,12 +1681,12 @@
       "integrity": "sha1-69hGZ8oNuzMLmbz8aOrCvFQ3Dg0=",
       "dev": true,
       "requires": {
-        "array-union": "^1.0.1",
-        "arrify": "^1.0.0",
-        "glob": "^7.0.3",
-        "object-assign": "^4.0.1",
-        "pify": "^2.0.0",
-        "pinkie-promise": "^2.0.0"
+        "array-union": "1.0.2",
+        "arrify": "1.0.1",
+        "glob": "7.1.2",
+        "object-assign": "4.1.1",
+        "pify": "2.3.0",
+        "pinkie-promise": "2.0.1"
       },
       "dependencies": {
         "pify": {
@@ -1712,8 +1713,8 @@
       "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.0.3.tgz",
       "integrity": "sha1-ukAsJmGU8VlW7xXg/PJCmT9qff0=",
       "requires": {
-        "ajv": "^5.1.0",
-        "har-schema": "^2.0.0"
+        "ajv": "5.5.2",
+        "har-schema": "2.0.0"
       }
     },
     "has": {
@@ -1722,7 +1723,7 @@
       "integrity": "sha1-hGFzP1OLCDfJNh45qauelwTcLyg=",
       "dev": true,
       "requires": {
-        "function-bind": "^1.0.2"
+        "function-bind": "1.1.1"
       }
     },
     "has-ansi": {
@@ -1731,7 +1732,7 @@
       "integrity": "sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=",
       "dev": true,
       "requires": {
-        "ansi-regex": "^2.0.0"
+        "ansi-regex": "2.1.1"
       },
       "dependencies": {
         "ansi-regex": {
@@ -1748,7 +1749,7 @@
       "integrity": "sha1-ZuodhW206KVHDK32/OI65SRO8uE=",
       "dev": true,
       "requires": {
-        "inherits": "^2.0.1"
+        "inherits": "2.0.3"
       }
     },
     "hash.js": {
@@ -1757,8 +1758,8 @@
       "integrity": "sha1-NA3tvmKQGHFRweodd3o0SJNd+EY=",
       "dev": true,
       "requires": {
-        "inherits": "^2.0.3",
-        "minimalistic-assert": "^1.0.0"
+        "inherits": "2.0.3",
+        "minimalistic-assert": "1.0.0"
       }
     },
     "hawk": {
@@ -1766,10 +1767,10 @@
       "resolved": "https://registry.npmjs.org/hawk/-/hawk-6.0.2.tgz",
       "integrity": "sha512-miowhl2+U7Qle4vdLqDdPt9m09K6yZhkLDTWGoUiUzrQCn+mHHSmfJgAyGaLRZbPmTqfFFjRV1QWCW0VWUJBbQ==",
       "requires": {
-        "boom": "4.x.x",
-        "cryptiles": "3.x.x",
-        "hoek": "4.x.x",
-        "sntp": "2.x.x"
+        "boom": "4.3.1",
+        "cryptiles": "3.1.2",
+        "hoek": "4.2.1",
+        "sntp": "2.1.0"
       }
     },
     "hmac-drbg": {
@@ -1778,9 +1779,9 @@
       "integrity": "sha1-0nRXAQJabHdabFRXk+1QL8DGSaE=",
       "dev": true,
       "requires": {
-        "hash.js": "^1.0.3",
-        "minimalistic-assert": "^1.0.0",
-        "minimalistic-crypto-utils": "^1.0.1"
+        "hash.js": "1.1.3",
+        "minimalistic-assert": "1.0.0",
+        "minimalistic-crypto-utils": "1.0.1"
       }
     },
     "hoek": {
@@ -1793,7 +1794,7 @@
       "resolved": "https://registry.npmjs.org/html-encoding-sniffer/-/html-encoding-sniffer-1.0.2.tgz",
       "integrity": "sha512-71lZziiDnsuabfdYiUeWdCVyKuqwWi23L8YeIgV9jSSZHCtb6wB1BKWooH7L3tn4/FuZJMVWyNaIDr4RGmaSYw==",
       "requires": {
-        "whatwg-encoding": "^1.0.1"
+        "whatwg-encoding": "1.0.3"
       }
     },
     "htmlescape": {
@@ -1807,9 +1808,9 @@
       "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
       "integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
       "requires": {
-        "assert-plus": "^1.0.0",
-        "jsprim": "^1.2.2",
-        "sshpk": "^1.7.0"
+        "assert-plus": "1.0.0",
+        "jsprim": "1.4.1",
+        "sshpk": "1.14.1"
       }
     },
     "https-browserify": {
@@ -1853,8 +1854,8 @@
       "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
       "dev": true,
       "requires": {
-        "once": "^1.3.0",
-        "wrappy": "1"
+        "once": "1.4.0",
+        "wrappy": "1.0.2"
       }
     },
     "inherits": {
@@ -1869,7 +1870,7 @@
       "integrity": "sha1-+Tk0ccGKedFyT4Y/o4tYY3Ct4qU=",
       "dev": true,
       "requires": {
-        "source-map": "~0.5.3"
+        "source-map": "0.5.7"
       }
     },
     "inquirer": {
@@ -1878,19 +1879,19 @@
       "integrity": "sha1-HvK/1jUE3wvHV4X/+MLEHfEvB34=",
       "dev": true,
       "requires": {
-        "ansi-escapes": "^1.1.0",
-        "ansi-regex": "^2.0.0",
-        "chalk": "^1.0.0",
-        "cli-cursor": "^1.0.1",
-        "cli-width": "^2.0.0",
-        "figures": "^1.3.5",
-        "lodash": "^4.3.0",
-        "readline2": "^1.0.1",
-        "run-async": "^0.1.0",
-        "rx-lite": "^3.1.2",
-        "string-width": "^1.0.1",
-        "strip-ansi": "^3.0.0",
-        "through": "^2.3.6"
+        "ansi-escapes": "1.4.0",
+        "ansi-regex": "2.1.1",
+        "chalk": "1.1.3",
+        "cli-cursor": "1.0.2",
+        "cli-width": "2.2.0",
+        "figures": "1.7.0",
+        "lodash": "4.17.10",
+        "readline2": "1.0.1",
+        "run-async": "0.1.0",
+        "rx-lite": "3.1.2",
+        "string-width": "1.0.2",
+        "strip-ansi": "3.0.1",
+        "through": "2.3.8"
       },
       "dependencies": {
         "ansi-regex": {
@@ -1911,11 +1912,11 @@
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
-            "ansi-styles": "^2.2.1",
-            "escape-string-regexp": "^1.0.2",
-            "has-ansi": "^2.0.0",
-            "strip-ansi": "^3.0.0",
-            "supports-color": "^2.0.0"
+            "ansi-styles": "2.2.1",
+            "escape-string-regexp": "1.0.5",
+            "has-ansi": "2.0.0",
+            "strip-ansi": "3.0.1",
+            "supports-color": "2.0.0"
           }
         },
         "is-fullwidth-code-point": {
@@ -1924,7 +1925,7 @@
           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
           "dev": true,
           "requires": {
-            "number-is-nan": "^1.0.0"
+            "number-is-nan": "1.0.1"
           }
         },
         "string-width": {
@@ -1933,9 +1934,9 @@
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
           "dev": true,
           "requires": {
-            "code-point-at": "^1.0.0",
-            "is-fullwidth-code-point": "^1.0.0",
-            "strip-ansi": "^3.0.0"
+            "code-point-at": "1.1.0",
+            "is-fullwidth-code-point": "1.0.0",
+            "strip-ansi": "3.0.1"
           }
         },
         "strip-ansi": {
@@ -1944,7 +1945,7 @@
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
-            "ansi-regex": "^2.0.0"
+            "ansi-regex": "2.1.1"
           }
         },
         "supports-color": {
@@ -1961,14 +1962,14 @@
       "integrity": "sha1-wDv04BywhtW15azorQr+eInWOMM=",
       "dev": true,
       "requires": {
-        "JSONStream": "^1.0.3",
-        "combine-source-map": "~0.7.1",
-        "concat-stream": "~1.5.1",
-        "is-buffer": "^1.1.0",
-        "lexical-scope": "^1.2.0",
-        "process": "~0.11.0",
-        "through2": "^2.0.0",
-        "xtend": "^4.0.0"
+        "JSONStream": "1.3.1",
+        "combine-source-map": "0.7.2",
+        "concat-stream": "1.5.2",
+        "is-buffer": "1.1.6",
+        "lexical-scope": "1.2.0",
+        "process": "0.11.10",
+        "through2": "2.0.3",
+        "xtend": "4.0.1"
       }
     },
     "interpret": {
@@ -1986,7 +1987,8 @@
     "is-buffer": {
       "version": "1.1.6",
       "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
-      "integrity": "sha1-76ouqdqg16suoTqXsritUf776L4="
+      "integrity": "sha1-76ouqdqg16suoTqXsritUf776L4=",
+      "dev": true
     },
     "is-callable": {
       "version": "1.1.3",
@@ -2012,7 +2014,7 @@
       "integrity": "sha1-IjgJj8Ih3gvPpdnqxMRdY4qhxTQ=",
       "dev": true,
       "requires": {
-        "is-primitive": "^2.0.0"
+        "is-primitive": "2.0.0"
       }
     },
     "is-extendable": {
@@ -2045,7 +2047,7 @@
       "integrity": "sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=",
       "dev": true,
       "requires": {
-        "is-extglob": "^1.0.0"
+        "is-extglob": "1.0.0"
       }
     },
     "is-module": {
@@ -2060,18 +2062,19 @@
       "integrity": "sha1-WoRnd+LCYg0eaRBOXToDsfYIjxE=",
       "dev": true,
       "requires": {
-        "generate-function": "^2.0.0",
-        "generate-object-property": "^1.1.0",
-        "jsonpointer": "^4.0.0",
-        "xtend": "^4.0.0"
+        "generate-function": "2.0.0",
+        "generate-object-property": "1.2.0",
+        "jsonpointer": "4.0.1",
+        "xtend": "4.0.1"
       }
     },
     "is-number": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/is-number/-/is-number-2.1.0.tgz",
       "integrity": "sha1-Afy7s5NGOlSPL0ZszhbezknbkI8=",
+      "dev": true,
       "requires": {
-        "kind-of": "^3.0.2"
+        "kind-of": "3.2.2"
       }
     },
     "is-path-cwd": {
@@ -2086,7 +2089,7 @@
       "integrity": "sha1-ZHdYK4IU1gI0YJRWcAO+ip6sBNw=",
       "dev": true,
       "requires": {
-        "is-path-inside": "^1.0.0"
+        "is-path-inside": "1.0.1"
       }
     },
     "is-path-inside": {
@@ -2095,7 +2098,7 @@
       "integrity": "sha1-jvW33lBDej/cprToZe96pVy0gDY=",
       "dev": true,
       "requires": {
-        "path-is-inside": "^1.0.1"
+        "path-is-inside": "1.0.2"
       }
     },
     "is-posix-bracket": {
@@ -2122,7 +2125,7 @@
       "integrity": "sha1-VRdIm1RwkbCTDglWVM7SXul+lJE=",
       "dev": true,
       "requires": {
-        "has": "^1.0.1"
+        "has": "1.0.1"
       }
     },
     "is-resolvable": {
@@ -2131,7 +2134,7 @@
       "integrity": "sha1-jfV8YeouPFAUCNEA+wE8+NbgzGI=",
       "dev": true,
       "requires": {
-        "tryit": "^1.0.1"
+        "tryit": "1.0.3"
       }
     },
     "is-symbol": {
@@ -2148,12 +2151,14 @@
     "isarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
+      "dev": true
     },
     "isobject": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/isobject/-/isobject-2.1.0.tgz",
       "integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=",
+      "dev": true,
       "requires": {
         "isarray": "1.0.0"
       }
@@ -2175,8 +2180,8 @@
       "integrity": "sha1-LnhEFka9RoLpY/IrbpKCPDCcYtw=",
       "dev": true,
       "requires": {
-        "argparse": "^1.0.7",
-        "esprima": "^4.0.0"
+        "argparse": "1.0.9",
+        "esprima": "4.0.0"
       },
       "dependencies": {
         "esprima": {
@@ -2198,32 +2203,32 @@
       "resolved": "https://registry.npmjs.org/jsdom/-/jsdom-11.9.0.tgz",
       "integrity": "sha512-sb3omwJTJ+HwAltLZevM/KQBusY+l2Ar5UfnTCWk9oUVBiDnQPBNiG1BaTAKttCnneonYbNo7vi4EFDY2lBfNA==",
       "requires": {
-        "abab": "^1.0.4",
-        "acorn": "^5.3.0",
-        "acorn-globals": "^4.1.0",
-        "array-equal": "^1.0.0",
-        "cssom": ">= 0.3.2 < 0.4.0",
-        "cssstyle": ">= 0.2.37 < 0.3.0",
-        "data-urls": "^1.0.0",
-        "domexception": "^1.0.0",
-        "escodegen": "^1.9.0",
-        "html-encoding-sniffer": "^1.0.2",
-        "left-pad": "^1.2.0",
-        "nwmatcher": "^1.4.3",
+        "abab": "1.0.4",
+        "acorn": "5.5.3",
+        "acorn-globals": "4.1.0",
+        "array-equal": "1.0.0",
+        "cssom": "0.3.2",
+        "cssstyle": "0.2.37",
+        "data-urls": "1.0.0",
+        "domexception": "1.0.1",
+        "escodegen": "1.9.1",
+        "html-encoding-sniffer": "1.0.2",
+        "left-pad": "1.3.0",
+        "nwmatcher": "1.4.4",
         "parse5": "4.0.0",
-        "pn": "^1.1.0",
-        "request": "^2.83.0",
-        "request-promise-native": "^1.0.5",
-        "sax": "^1.2.4",
-        "symbol-tree": "^3.2.2",
-        "tough-cookie": "^2.3.3",
-        "w3c-hr-time": "^1.0.1",
-        "webidl-conversions": "^4.0.2",
-        "whatwg-encoding": "^1.0.3",
-        "whatwg-mimetype": "^2.1.0",
-        "whatwg-url": "^6.4.0",
-        "ws": "^4.0.0",
-        "xml-name-validator": "^3.0.0"
+        "pn": "1.1.0",
+        "request": "2.85.0",
+        "request-promise-native": "1.0.5",
+        "sax": "1.2.4",
+        "symbol-tree": "3.2.2",
+        "tough-cookie": "2.3.4",
+        "w3c-hr-time": "1.0.1",
+        "webidl-conversions": "4.0.2",
+        "whatwg-encoding": "1.0.3",
+        "whatwg-mimetype": "2.1.0",
+        "whatwg-url": "6.4.1",
+        "ws": "4.1.0",
+        "xml-name-validator": "3.0.0"
       },
       "dependencies": {
         "acorn": {
@@ -2249,7 +2254,7 @@
       "integrity": "sha1-YRwj6BTbN1Un34URk9tZ3Sryf0U=",
       "dev": true,
       "requires": {
-        "jsonify": "~0.0.0"
+        "jsonify": "0.0.0"
       }
     },
     "json-stringify-safe": {
@@ -2296,8 +2301,9 @@
       "version": "3.2.2",
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
       "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+      "dev": true,
       "requires": {
-        "is-buffer": "^1.1.5"
+        "is-buffer": "1.1.6"
       }
     },
     "labeled-stream-splicer": {
@@ -2306,9 +2312,9 @@
       "integrity": "sha1-pS4dE4AkwAuGscDJH2d5GLiuClk=",
       "dev": true,
       "requires": {
-        "inherits": "^2.0.1",
-        "isarray": "~0.0.1",
-        "stream-splicer": "^2.0.0"
+        "inherits": "2.0.3",
+        "isarray": "0.0.1",
+        "stream-splicer": "2.0.0"
       },
       "dependencies": {
         "isarray": {
@@ -2329,8 +2335,8 @@
       "resolved": "https://registry.npmjs.org/levn/-/levn-0.3.0.tgz",
       "integrity": "sha1-OwmSTt+fCDwEkP3UwLxEIeBHZO4=",
       "requires": {
-        "prelude-ls": "~1.1.2",
-        "type-check": "~0.3.2"
+        "prelude-ls": "1.1.2",
+        "type-check": "0.3.2"
       }
     },
     "lexical-scope": {
@@ -2339,7 +2345,7 @@
       "integrity": "sha1-/Ope3HBKSzqHls3KQZw6CvryLfQ=",
       "dev": true,
       "requires": {
-        "astw": "^2.0.0"
+        "astw": "2.2.0"
       }
     },
     "load-json-file": {
@@ -2348,10 +2354,10 @@
       "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
       "dev": true,
       "requires": {
-        "graceful-fs": "^4.1.2",
-        "parse-json": "^2.2.0",
-        "pify": "^2.0.0",
-        "strip-bom": "^3.0.0"
+        "graceful-fs": "4.1.11",
+        "parse-json": "2.2.0",
+        "pify": "2.3.0",
+        "strip-bom": "3.0.0"
       },
       "dependencies": {
         "pify": {
@@ -2368,8 +2374,8 @@
       "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
       "dev": true,
       "requires": {
-        "p-locate": "^2.0.0",
-        "path-exists": "^3.0.0"
+        "p-locate": "2.0.0",
+        "path-exists": "3.0.0"
       },
       "dependencies": {
         "path-exists": {
@@ -2408,13 +2414,14 @@
       "integrity": "sha1-MQObTkA2Y5VhjB1s+Bk8U5F0df8=",
       "dev": true,
       "requires": {
-        "vlq": "^0.2.1"
+        "vlq": "0.2.3"
       }
     },
     "math-random": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/math-random/-/math-random-1.0.1.tgz",
-      "integrity": "sha1-izqsWIuKZuSXXjzepn97sylgH6w="
+      "integrity": "sha1-izqsWIuKZuSXXjzepn97sylgH6w=",
+      "dev": true
     },
     "md5.js": {
       "version": "1.3.4",
@@ -2422,8 +2429,8 @@
       "integrity": "sha1-6b296UogpawYsENA/Fdk1bCdkB0=",
       "dev": true,
       "requires": {
-        "hash-base": "^3.0.0",
-        "inherits": "^2.0.1"
+        "hash-base": "3.0.4",
+        "inherits": "2.0.3"
       },
       "dependencies": {
         "hash-base": {
@@ -2432,8 +2439,8 @@
           "integrity": "sha1-X8hoaEfs1zSZQDMZprCj8/auSRg=",
           "dev": true,
           "requires": {
-            "inherits": "^2.0.1",
-            "safe-buffer": "^5.0.1"
+            "inherits": "2.0.3",
+            "safe-buffer": "5.1.1"
           }
         }
       }
@@ -2444,19 +2451,19 @@
       "integrity": "sha1-hmd8l9FyCzY0MdBNDRUpO9OMFWU=",
       "dev": true,
       "requires": {
-        "arr-diff": "^2.0.0",
-        "array-unique": "^0.2.1",
-        "braces": "^1.8.2",
-        "expand-brackets": "^0.1.4",
-        "extglob": "^0.3.1",
-        "filename-regex": "^2.0.0",
-        "is-extglob": "^1.0.0",
-        "is-glob": "^2.0.1",
-        "kind-of": "^3.0.2",
-        "normalize-path": "^2.0.1",
-        "object.omit": "^2.0.0",
-        "parse-glob": "^3.0.4",
-        "regex-cache": "^0.4.2"
+        "arr-diff": "2.0.0",
+        "array-unique": "0.2.1",
+        "braces": "1.8.5",
+        "expand-brackets": "0.1.5",
+        "extglob": "0.3.2",
+        "filename-regex": "2.0.1",
+        "is-extglob": "1.0.0",
+        "is-glob": "2.0.1",
+        "kind-of": "3.2.2",
+        "normalize-path": "2.1.1",
+        "object.omit": "2.0.1",
+        "parse-glob": "3.0.4",
+        "regex-cache": "0.4.4"
       }
     },
     "miller-rabin": {
@@ -2465,8 +2472,8 @@
       "integrity": "sha1-8IA1HIZbDcViqEYpZtqlNUPHik0=",
       "dev": true,
       "requires": {
-        "bn.js": "^4.0.0",
-        "brorand": "^1.0.1"
+        "bn.js": "4.11.8",
+        "brorand": "1.1.0"
       }
     },
     "mime-db": {
@@ -2479,7 +2486,7 @@
       "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.18.tgz",
       "integrity": "sha512-lc/aahn+t4/SWV/qcmumYjymLsWfN3ELhpmVuUFjgsORruuZPVSwAQryq+HHGvO/SI2KVX26bx+En+zhM8g8hQ==",
       "requires": {
-        "mime-db": "~1.33.0"
+        "mime-db": "1.33.0"
       }
     },
     "minimalistic-assert": {
@@ -2500,7 +2507,7 @@
       "integrity": "sha1-UWbihkV/AzBgZL5Ul+jbsMPTIIM=",
       "dev": true,
       "requires": {
-        "brace-expansion": "^1.1.7"
+        "brace-expansion": "1.1.8"
       }
     },
     "minimist": {
@@ -2532,21 +2539,21 @@
       "integrity": "sha1-IyFYM/HaE/1gbMuAh7RIUty4If0=",
       "dev": true,
       "requires": {
-        "JSONStream": "^1.0.3",
-        "browser-resolve": "^1.7.0",
-        "cached-path-relative": "^1.0.0",
-        "concat-stream": "~1.5.0",
-        "defined": "^1.0.0",
-        "detective": "^4.0.0",
-        "duplexer2": "^0.1.2",
-        "inherits": "^2.0.1",
-        "parents": "^1.0.0",
-        "readable-stream": "^2.0.2",
-        "resolve": "^1.1.3",
-        "stream-combiner2": "^1.1.1",
-        "subarg": "^1.0.0",
-        "through2": "^2.0.0",
-        "xtend": "^4.0.0"
+        "JSONStream": "1.3.1",
+        "browser-resolve": "1.11.2",
+        "cached-path-relative": "1.0.1",
+        "concat-stream": "1.5.2",
+        "defined": "1.0.0",
+        "detective": "4.7.0",
+        "duplexer2": "0.1.4",
+        "inherits": "2.0.3",
+        "parents": "1.0.1",
+        "readable-stream": "2.3.3",
+        "resolve": "1.5.0",
+        "stream-combiner2": "1.1.1",
+        "subarg": "1.0.0",
+        "through2": "2.0.3",
+        "xtend": "4.0.1"
       }
     },
     "ms": {
@@ -2573,7 +2580,7 @@
       "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
       "dev": true,
       "requires": {
-        "remove-trailing-separator": "^1.0.1"
+        "remove-trailing-separator": "1.1.0"
       }
     },
     "number-is-nan": {
@@ -2616,9 +2623,9 @@
       "integrity": "sha1-scnMBE7xuf5jYG/BQau7MuFHMMw=",
       "dev": true,
       "requires": {
-        "define-properties": "^1.1.2",
-        "function-bind": "^1.1.0",
-        "object-keys": "^1.0.10"
+        "define-properties": "1.1.2",
+        "function-bind": "1.1.1",
+        "object-keys": "1.0.11"
       }
     },
     "object.omit": {
@@ -2627,8 +2634,8 @@
       "integrity": "sha1-Gpx0SCnznbuFjHbKNXmuKlTr0fo=",
       "dev": true,
       "requires": {
-        "for-own": "^0.1.4",
-        "is-extendable": "^0.1.1"
+        "for-own": "0.1.5",
+        "is-extendable": "0.1.1"
       }
     },
     "once": {
@@ -2637,7 +2644,7 @@
       "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
       "dev": true,
       "requires": {
-        "wrappy": "1"
+        "wrappy": "1.0.2"
       }
     },
     "onetime": {
@@ -2651,12 +2658,12 @@
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",
       "integrity": "sha1-NkxeQJ0/TWMB1sC0wFu6UBgK62Q=",
       "requires": {
-        "deep-is": "~0.1.3",
-        "fast-levenshtein": "~2.0.4",
-        "levn": "~0.3.0",
-        "prelude-ls": "~1.1.2",
-        "type-check": "~0.3.2",
-        "wordwrap": "~1.0.0"
+        "deep-is": "0.1.3",
+        "fast-levenshtein": "2.0.6",
+        "levn": "0.3.0",
+        "prelude-ls": "1.1.2",
+        "type-check": "0.3.2",
+        "wordwrap": "1.0.0"
       }
     },
     "os-browserify": {
@@ -2683,7 +2690,7 @@
       "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
       "dev": true,
       "requires": {
-        "p-limit": "^1.1.0"
+        "p-limit": "1.1.0"
       }
     },
     "pako": {
@@ -2698,7 +2705,7 @@
       "integrity": "sha1-/t1NK/GTp3dF/nHjcdc8MwfZx1E=",
       "dev": true,
       "requires": {
-        "path-platform": "~0.11.15"
+        "path-platform": "0.11.15"
       }
     },
     "parse-asn1": {
@@ -2707,11 +2714,11 @@
       "integrity": "sha1-N8T5t+06tlx0gXtfJICTf7+XxxI=",
       "dev": true,
       "requires": {
-        "asn1.js": "^4.0.0",
-        "browserify-aes": "^1.0.0",
-        "create-hash": "^1.1.0",
-        "evp_bytestokey": "^1.0.0",
-        "pbkdf2": "^3.0.3"
+        "asn1.js": "4.9.2",
+        "browserify-aes": "1.1.1",
+        "create-hash": "1.1.3",
+        "evp_bytestokey": "1.0.3",
+        "pbkdf2": "3.0.14"
       }
     },
     "parse-glob": {
@@ -2720,10 +2727,10 @@
       "integrity": "sha1-ssN2z7EfNVE7rdFz7wu246OIORw=",
       "dev": true,
       "requires": {
-        "glob-base": "^0.3.0",
-        "is-dotfile": "^1.0.0",
-        "is-extglob": "^1.0.0",
-        "is-glob": "^2.0.0"
+        "glob-base": "0.3.0",
+        "is-dotfile": "1.0.3",
+        "is-extglob": "1.0.0",
+        "is-glob": "2.0.1"
       }
     },
     "parse-json": {
@@ -2732,7 +2739,7 @@
       "integrity": "sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=",
       "dev": true,
       "requires": {
-        "error-ex": "^1.2.0"
+        "error-ex": "1.3.1"
       }
     },
     "parse5": {
@@ -2752,7 +2759,7 @@
       "integrity": "sha1-D+tsZPD8UY2adU3V77YscCJ2H0s=",
       "dev": true,
       "requires": {
-        "pinkie-promise": "^2.0.0"
+        "pinkie-promise": "2.0.1"
       }
     },
     "path-is-absolute": {
@@ -2785,11 +2792,11 @@
       "integrity": "sha1-o14TxkeZsGzhUyD0WcIw5o5zut4=",
       "dev": true,
       "requires": {
-        "create-hash": "^1.1.2",
-        "create-hmac": "^1.1.4",
-        "ripemd160": "^2.0.1",
-        "safe-buffer": "^5.0.1",
-        "sha.js": "^2.4.8"
+        "create-hash": "1.1.3",
+        "create-hmac": "1.1.6",
+        "ripemd160": "2.0.1",
+        "safe-buffer": "5.1.1",
+        "sha.js": "2.4.9"
       }
     },
     "performance-now": {
@@ -2809,7 +2816,7 @@
       "integrity": "sha1-ITXW36ejWMBprJsXh3YogihFD/o=",
       "dev": true,
       "requires": {
-        "pinkie": "^2.0.0"
+        "pinkie": "2.0.4"
       }
     },
     "pkg-conf": {
@@ -2818,8 +2825,8 @@
       "integrity": "sha1-BxyHZQQDvM+5xif1h1G/5HwGcnk=",
       "dev": true,
       "requires": {
-        "find-up": "^2.0.0",
-        "load-json-file": "^2.0.0"
+        "find-up": "2.1.0",
+        "load-json-file": "2.0.0"
       },
       "dependencies": {
         "find-up": {
@@ -2828,7 +2835,7 @@
           "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
           "dev": true,
           "requires": {
-            "locate-path": "^2.0.0"
+            "locate-path": "2.0.0"
           }
         }
       }
@@ -2839,9 +2846,9 @@
       "integrity": "sha1-VX7yLXPaPIg3EHdmxS6tq94pj+Q=",
       "dev": true,
       "requires": {
-        "debug-log": "^1.0.0",
-        "find-root": "^1.0.0",
-        "xtend": "^4.0.1"
+        "debug-log": "1.0.1",
+        "find-root": "1.1.0",
+        "xtend": "4.0.1"
       }
     },
     "pkg-dir": {
@@ -2850,7 +2857,7 @@
       "integrity": "sha1-ektQio1bstYp1EcFb/TpyTFM89Q=",
       "dev": true,
       "requires": {
-        "find-up": "^1.0.0"
+        "find-up": "1.1.2"
       }
     },
     "pkg-up": {
@@ -2859,7 +2866,7 @@
       "integrity": "sha1-Pgj7RhUlxEIWJKM7n35tCvWwWiY=",
       "dev": true,
       "requires": {
-        "find-up": "^1.0.0"
+        "find-up": "1.1.2"
       }
     },
     "pluralize": {
@@ -2908,11 +2915,11 @@
       "integrity": "sha1-OfaZ86RlYN1eusvKaTyvfGXBjMY=",
       "dev": true,
       "requires": {
-        "bn.js": "^4.1.0",
-        "browserify-rsa": "^4.0.0",
-        "create-hash": "^1.1.0",
-        "parse-asn1": "^5.0.0",
-        "randombytes": "^2.0.1"
+        "bn.js": "4.11.8",
+        "browserify-rsa": "4.0.1",
+        "create-hash": "1.1.3",
+        "parse-asn1": "5.1.0",
+        "randombytes": "2.0.5"
       }
     },
     "punycode": {
@@ -2941,21 +2948,24 @@
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/randomatic/-/randomatic-3.0.0.tgz",
       "integrity": "sha512-VdxFOIEY3mNO5PtSRkkle/hPJDHvQhK21oa73K4yAc9qmp6N429gAyF1gZMOTMeS0/AYzaV/2Trcef+NaIonSA==",
+      "dev": true,
       "requires": {
-        "is-number": "^4.0.0",
-        "kind-of": "^6.0.0",
-        "math-random": "^1.0.1"
+        "is-number": "4.0.0",
+        "kind-of": "6.0.2",
+        "math-random": "1.0.1"
       },
       "dependencies": {
         "is-number": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/is-number/-/is-number-4.0.0.tgz",
-          "integrity": "sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ=="
+          "integrity": "sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ==",
+          "dev": true
         },
         "kind-of": {
           "version": "6.0.2",
           "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
-          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA=="
+          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
+          "dev": true
         }
       }
     },
@@ -2965,7 +2975,7 @@
       "integrity": "sha1-3ACaJGuNCaF3tLegrne8Vw9LG3k=",
       "dev": true,
       "requires": {
-        "safe-buffer": "^5.1.0"
+        "safe-buffer": "5.1.1"
       }
     },
     "randomfill": {
@@ -2974,8 +2984,8 @@
       "integrity": "sha1-uWt99YfwHdkXJsQY8wVTsUGOPWI=",
       "dev": true,
       "requires": {
-        "randombytes": "^2.0.5",
-        "safe-buffer": "^5.1.0"
+        "randombytes": "2.0.5",
+        "safe-buffer": "5.1.1"
       }
     },
     "read-only-stream": {
@@ -2984,7 +2994,7 @@
       "integrity": "sha1-JyT9aoET1zdkrCiNQ4YnDB2/F/A=",
       "dev": true,
       "requires": {
-        "readable-stream": "^2.0.2"
+        "readable-stream": "2.3.3"
       }
     },
     "readable-stream": {
@@ -2993,13 +3003,13 @@
       "integrity": "sha1-No8lEtefnUb9/HE0mueHi7weuVw=",
       "dev": true,
       "requires": {
-        "core-util-is": "~1.0.0",
-        "inherits": "~2.0.3",
-        "isarray": "~1.0.0",
-        "process-nextick-args": "~1.0.6",
-        "safe-buffer": "~5.1.1",
-        "string_decoder": "~1.0.3",
-        "util-deprecate": "~1.0.1"
+        "core-util-is": "1.0.2",
+        "inherits": "2.0.3",
+        "isarray": "1.0.0",
+        "process-nextick-args": "1.0.7",
+        "safe-buffer": "5.1.1",
+        "string_decoder": "1.0.3",
+        "util-deprecate": "1.0.2"
       }
     },
     "readline2": {
@@ -3008,8 +3018,8 @@
       "integrity": "sha1-QQWWCP/BVHV7cV2ZidGZ/783LjU=",
       "dev": true,
       "requires": {
-        "code-point-at": "^1.0.0",
-        "is-fullwidth-code-point": "^1.0.0",
+        "code-point-at": "1.1.0",
+        "is-fullwidth-code-point": "1.0.0",
         "mute-stream": "0.0.5"
       },
       "dependencies": {
@@ -3019,7 +3029,7 @@
           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
           "dev": true,
           "requires": {
-            "number-is-nan": "^1.0.0"
+            "number-is-nan": "1.0.1"
           }
         }
       }
@@ -3030,7 +3040,7 @@
       "integrity": "sha1-hSBLVNuoLVdC4oyWdW70OvUOM4Q=",
       "dev": true,
       "requires": {
-        "resolve": "^1.1.6"
+        "resolve": "1.5.0"
       }
     },
     "regex-cache": {
@@ -3039,7 +3049,7 @@
       "integrity": "sha1-db3FiioUls7EihKDW8VMjVYjNt0=",
       "dev": true,
       "requires": {
-        "is-equal-shallow": "^0.1.3"
+        "is-equal-shallow": "0.1.3"
       }
     },
     "remove-trailing-separator": {
@@ -3051,40 +3061,42 @@
     "repeat-element": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/repeat-element/-/repeat-element-1.1.2.tgz",
-      "integrity": "sha1-7wiaF40Ug7quTZPrmLT55OEdmQo="
+      "integrity": "sha1-7wiaF40Ug7quTZPrmLT55OEdmQo=",
+      "dev": true
     },
     "repeat-string": {
       "version": "1.6.1",
       "resolved": "https://registry.npmjs.org/repeat-string/-/repeat-string-1.6.1.tgz",
-      "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc="
+      "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc=",
+      "dev": true
     },
     "request": {
       "version": "2.85.0",
       "resolved": "https://registry.npmjs.org/request/-/request-2.85.0.tgz",
       "integrity": "sha512-8H7Ehijd4js+s6wuVPLjwORxD4zeuyjYugprdOXlPSqaApmL/QOy+EB/beICHVCHkGMKNh5rvihb5ov+IDw4mg==",
       "requires": {
-        "aws-sign2": "~0.7.0",
-        "aws4": "^1.6.0",
-        "caseless": "~0.12.0",
-        "combined-stream": "~1.0.5",
-        "extend": "~3.0.1",
-        "forever-agent": "~0.6.1",
-        "form-data": "~2.3.1",
-        "har-validator": "~5.0.3",
-        "hawk": "~6.0.2",
-        "http-signature": "~1.2.0",
-        "is-typedarray": "~1.0.0",
-        "isstream": "~0.1.2",
-        "json-stringify-safe": "~5.0.1",
-        "mime-types": "~2.1.17",
-        "oauth-sign": "~0.8.2",
-        "performance-now": "^2.1.0",
-        "qs": "~6.5.1",
-        "safe-buffer": "^5.1.1",
-        "stringstream": "~0.0.5",
-        "tough-cookie": "~2.3.3",
-        "tunnel-agent": "^0.6.0",
-        "uuid": "^3.1.0"
+        "aws-sign2": "0.7.0",
+        "aws4": "1.7.0",
+        "caseless": "0.12.0",
+        "combined-stream": "1.0.6",
+        "extend": "3.0.1",
+        "forever-agent": "0.6.1",
+        "form-data": "2.3.2",
+        "har-validator": "5.0.3",
+        "hawk": "6.0.2",
+        "http-signature": "1.2.0",
+        "is-typedarray": "1.0.0",
+        "isstream": "0.1.2",
+        "json-stringify-safe": "5.0.1",
+        "mime-types": "2.1.18",
+        "oauth-sign": "0.8.2",
+        "performance-now": "2.1.0",
+        "qs": "6.5.1",
+        "safe-buffer": "5.1.1",
+        "stringstream": "0.0.5",
+        "tough-cookie": "2.3.4",
+        "tunnel-agent": "0.6.0",
+        "uuid": "3.2.1"
       }
     },
     "request-promise-core": {
@@ -3092,7 +3104,7 @@
       "resolved": "https://registry.npmjs.org/request-promise-core/-/request-promise-core-1.1.1.tgz",
       "integrity": "sha1-Pu4AssWqgyOc+wTFcA2jb4HNCLY=",
       "requires": {
-        "lodash": "^4.13.1"
+        "lodash": "4.17.10"
       }
     },
     "request-promise-native": {
@@ -3101,8 +3113,8 @@
       "integrity": "sha1-UoF3D2jgyXGeUWP9P6tIIhX0/aU=",
       "requires": {
         "request-promise-core": "1.1.1",
-        "stealthy-require": "^1.1.0",
-        "tough-cookie": ">=2.3.3"
+        "stealthy-require": "1.1.1",
+        "tough-cookie": "2.3.4"
       }
     },
     "require-uncached": {
@@ -3111,8 +3123,8 @@
       "integrity": "sha1-Tg1W1slmL9MeQwEcS5WqSZVUIdM=",
       "dev": true,
       "requires": {
-        "caller-path": "^0.1.0",
-        "resolve-from": "^1.0.0"
+        "caller-path": "0.1.0",
+        "resolve-from": "1.0.1"
       }
     },
     "resolve": {
@@ -3121,7 +3133,7 @@
       "integrity": "sha1-HwmsznlsmnYlefMbLBzEw83fnzY=",
       "dev": true,
       "requires": {
-        "path-parse": "^1.0.5"
+        "path-parse": "1.0.5"
       }
     },
     "resolve-from": {
@@ -3136,8 +3148,8 @@
       "integrity": "sha1-NGYfRohjJ/7SmRR5FSJS35LapUE=",
       "dev": true,
       "requires": {
-        "exit-hook": "^1.0.0",
-        "onetime": "^1.0.0"
+        "exit-hook": "1.1.1",
+        "onetime": "1.1.0"
       }
     },
     "resumer": {
@@ -3146,7 +3158,7 @@
       "integrity": "sha1-8ej0YeQGS6Oegq883CqMiT0HZ1k=",
       "dev": true,
       "requires": {
-        "through": "~2.3.4"
+        "through": "2.3.8"
       }
     },
     "rimraf": {
@@ -3155,7 +3167,7 @@
       "integrity": "sha1-LtgVDSShbqhlHm1u8PR8QVjOejY=",
       "dev": true,
       "requires": {
-        "glob": "^7.0.5"
+        "glob": "7.1.2"
       }
     },
     "ripemd160": {
@@ -3164,8 +3176,8 @@
       "integrity": "sha1-D0WEKVxTo2KK9+bXmsohzlfRxuc=",
       "dev": true,
       "requires": {
-        "hash-base": "^2.0.0",
-        "inherits": "^2.0.1"
+        "hash-base": "2.0.2",
+        "inherits": "2.0.3"
       }
     },
     "rollup": {
@@ -3180,11 +3192,11 @@
       "integrity": "sha1-J+W5Bp/5QAW7AeAbtGoeSHN4Rnc=",
       "dev": true,
       "requires": {
-        "acorn": "^5.2.1",
-        "estree-walker": "^0.5.0",
-        "magic-string": "^0.22.4",
-        "resolve": "^1.4.0",
-        "rollup-pluginutils": "^2.0.1"
+        "acorn": "5.2.1",
+        "estree-walker": "0.5.1",
+        "magic-string": "0.22.4",
+        "resolve": "1.5.0",
+        "rollup-pluginutils": "2.0.1"
       }
     },
     "rollup-plugin-node-resolve": {
@@ -3193,10 +3205,10 @@
       "integrity": "sha1-i4l8TDAw1QASd7BRSyXSygloPuA=",
       "dev": true,
       "requires": {
-        "browser-resolve": "^1.11.0",
-        "builtin-modules": "^1.1.0",
-        "is-module": "^1.0.0",
-        "resolve": "^1.1.6"
+        "browser-resolve": "1.11.2",
+        "builtin-modules": "1.1.1",
+        "is-module": "1.0.0",
+        "resolve": "1.5.0"
       }
     },
     "rollup-plugin-replace": {
@@ -3205,9 +3217,9 @@
       "integrity": "sha1-GQdAicjtVxhLjMZOlnoD0JURknc=",
       "dev": true,
       "requires": {
-        "magic-string": "^0.22.4",
-        "minimatch": "^3.0.2",
-        "rollup-pluginutils": "^2.0.1"
+        "magic-string": "0.22.4",
+        "minimatch": "3.0.4",
+        "rollup-pluginutils": "2.0.1"
       }
     },
     "rollup-pluginutils": {
@@ -3216,8 +3228,8 @@
       "integrity": "sha1-fslbNXP2VDpGpkYb2afFRFJdD8A=",
       "dev": true,
       "requires": {
-        "estree-walker": "^0.3.0",
-        "micromatch": "^2.3.11"
+        "estree-walker": "0.3.1",
+        "micromatch": "2.3.11"
       },
       "dependencies": {
         "estree-walker": {
@@ -3234,7 +3246,7 @@
       "integrity": "sha1-yK1KXhEGYeQCp9IbUw4AnyX444k=",
       "dev": true,
       "requires": {
-        "once": "^1.3.0"
+        "once": "1.4.0"
       }
     },
     "run-parallel": {
@@ -3265,8 +3277,8 @@
       "integrity": "sha1-mPZIgEdLdPSji42p08Dy0QRjPn0=",
       "dev": true,
       "requires": {
-        "inherits": "^2.0.1",
-        "safe-buffer": "^5.0.1"
+        "inherits": "2.0.3",
+        "safe-buffer": "5.1.1"
       }
     },
     "shasum": {
@@ -3275,8 +3287,8 @@
       "integrity": "sha1-5wEjENj0F/TetXEhUOVni4euVl8=",
       "dev": true,
       "requires": {
-        "json-stable-stringify": "~0.0.0",
-        "sha.js": "~2.4.4"
+        "json-stable-stringify": "0.0.1",
+        "sha.js": "2.4.9"
       }
     },
     "shell-quote": {
@@ -3285,10 +3297,10 @@
       "integrity": "sha1-9HgZSczkAmlxJ0MOo7PFR29IF2c=",
       "dev": true,
       "requires": {
-        "array-filter": "~0.0.0",
-        "array-map": "~0.0.0",
-        "array-reduce": "~0.0.0",
-        "jsonify": "~0.0.0"
+        "array-filter": "0.0.1",
+        "array-map": "0.0.0",
+        "array-reduce": "0.0.0",
+        "jsonify": "0.0.0"
       }
     },
     "shelljs": {
@@ -3297,9 +3309,9 @@
       "integrity": "sha1-3svPh0sNHl+3LhSxZKloMEjprLM=",
       "dev": true,
       "requires": {
-        "glob": "^7.0.0",
-        "interpret": "^1.0.0",
-        "rechoir": "^0.6.2"
+        "glob": "7.1.2",
+        "interpret": "1.1.0",
+        "rechoir": "0.6.2"
       }
     },
     "slice-ansi": {
@@ -3313,7 +3325,7 @@
       "resolved": "https://registry.npmjs.org/sntp/-/sntp-2.1.0.tgz",
       "integrity": "sha512-FL1b58BDrqS3A11lJ0zEdnJ3UOKqVxawAkF3k7F0CVN7VQ34aZrV+G8BZ1WC9ZL7NyrwsW0oviwsWDgRuVYtJg==",
       "requires": {
-        "hoek": "4.x.x"
+        "hoek": "4.2.1"
       }
     },
     "source-map": {
@@ -3333,14 +3345,14 @@
       "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.14.1.tgz",
       "integrity": "sha1-Ew9Zde3a2WPx1W+SuaxsUfqfg+s=",
       "requires": {
-        "asn1": "~0.2.3",
-        "assert-plus": "^1.0.0",
-        "bcrypt-pbkdf": "^1.0.0",
-        "dashdash": "^1.12.0",
-        "ecc-jsbn": "~0.1.1",
-        "getpass": "^0.1.1",
-        "jsbn": "~0.1.0",
-        "tweetnacl": "~0.14.0"
+        "asn1": "0.2.3",
+        "assert-plus": "1.0.0",
+        "bcrypt-pbkdf": "1.0.1",
+        "dashdash": "1.14.1",
+        "ecc-jsbn": "0.1.1",
+        "getpass": "0.1.7",
+        "jsbn": "0.1.1",
+        "tweetnacl": "0.14.5"
       }
     },
     "standard": {
@@ -3349,15 +3361,15 @@
       "integrity": "sha1-eGm8v0Ir3uqraJof+x/qlnfdUOo=",
       "dev": true,
       "requires": {
-        "eslint": "~3.19.0",
+        "eslint": "3.19.0",
         "eslint-config-standard": "10.2.1",
         "eslint-config-standard-jsx": "4.0.2",
-        "eslint-plugin-import": "~2.2.0",
-        "eslint-plugin-node": "~4.2.2",
-        "eslint-plugin-promise": "~3.5.0",
-        "eslint-plugin-react": "~6.10.0",
-        "eslint-plugin-standard": "~3.0.1",
-        "standard-engine": "~7.0.0"
+        "eslint-plugin-import": "2.2.0",
+        "eslint-plugin-node": "4.2.3",
+        "eslint-plugin-promise": "3.5.0",
+        "eslint-plugin-react": "6.10.3",
+        "eslint-plugin-standard": "3.0.1",
+        "standard-engine": "7.0.0"
       }
     },
     "standard-engine": {
@@ -3366,10 +3378,10 @@
       "integrity": "sha1-67d7nI/CyBZf+jU72Rug3/Qa9pA=",
       "dev": true,
       "requires": {
-        "deglob": "^2.1.0",
-        "get-stdin": "^5.0.1",
-        "minimist": "^1.1.0",
-        "pkg-conf": "^2.0.0"
+        "deglob": "2.1.0",
+        "get-stdin": "5.0.1",
+        "minimist": "1.2.0",
+        "pkg-conf": "2.0.0"
       }
     },
     "stealthy-require": {
@@ -3383,8 +3395,8 @@
       "integrity": "sha1-ZiZu5fm9uZQKTkUUyvtDu3Hlyds=",
       "dev": true,
       "requires": {
-        "inherits": "~2.0.1",
-        "readable-stream": "^2.0.2"
+        "inherits": "2.0.3",
+        "readable-stream": "2.3.3"
       }
     },
     "stream-combiner2": {
@@ -3393,8 +3405,8 @@
       "integrity": "sha1-+02KFCDqNidk4hrUeAOXvry0HL4=",
       "dev": true,
       "requires": {
-        "duplexer2": "~0.1.0",
-        "readable-stream": "^2.0.2"
+        "duplexer2": "0.1.4",
+        "readable-stream": "2.3.3"
       }
     },
     "stream-http": {
@@ -3403,11 +3415,11 @@
       "integrity": "sha1-QKBQ7I3DtTsz2ZCUFcAsC/Gr+60=",
       "dev": true,
       "requires": {
-        "builtin-status-codes": "^3.0.0",
-        "inherits": "^2.0.1",
-        "readable-stream": "^2.2.6",
-        "to-arraybuffer": "^1.0.0",
-        "xtend": "^4.0.0"
+        "builtin-status-codes": "3.0.0",
+        "inherits": "2.0.3",
+        "readable-stream": "2.3.3",
+        "to-arraybuffer": "1.0.1",
+        "xtend": "4.0.1"
       }
     },
     "stream-splicer": {
@@ -3416,8 +3428,8 @@
       "integrity": "sha1-G2O+Q4oTPktnHMGTUZdgAXWRDYM=",
       "dev": true,
       "requires": {
-        "inherits": "^2.0.1",
-        "readable-stream": "^2.0.2"
+        "inherits": "2.0.3",
+        "readable-stream": "2.3.3"
       }
     },
     "string-width": {
@@ -3426,8 +3438,8 @@
       "integrity": "sha1-q5Pyeo3BPSjKyBXEYhQ6bZASrp4=",
       "dev": true,
       "requires": {
-        "is-fullwidth-code-point": "^2.0.0",
-        "strip-ansi": "^4.0.0"
+        "is-fullwidth-code-point": "2.0.0",
+        "strip-ansi": "4.0.0"
       }
     },
     "string.prototype.trim": {
@@ -3436,9 +3448,9 @@
       "integrity": "sha1-0E3iyJ4Tf019IG8Ia17S+ua+jOo=",
       "dev": true,
       "requires": {
-        "define-properties": "^1.1.2",
-        "es-abstract": "^1.5.0",
-        "function-bind": "^1.0.2"
+        "define-properties": "1.1.2",
+        "es-abstract": "1.10.0",
+        "function-bind": "1.1.1"
       }
     },
     "string_decoder": {
@@ -3447,7 +3459,7 @@
       "integrity": "sha1-D8Z9fBQYJd6UKC3VNr7GubzoYKs=",
       "dev": true,
       "requires": {
-        "safe-buffer": "~5.1.0"
+        "safe-buffer": "5.1.1"
       }
     },
     "stringstream": {
@@ -3461,7 +3473,7 @@
       "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
       "dev": true,
       "requires": {
-        "ansi-regex": "^3.0.0"
+        "ansi-regex": "3.0.0"
       }
     },
     "strip-bom": {
@@ -3482,7 +3494,7 @@
       "integrity": "sha1-9izxdYHplrSPyWVpn1TAauJouNI=",
       "dev": true,
       "requires": {
-        "minimist": "^1.1.0"
+        "minimist": "1.2.0"
       }
     },
     "symbol-tree": {
@@ -3496,7 +3508,7 @@
       "integrity": "sha1-HtkmbE1AvnXcVb+bsct3Biu5bKE=",
       "dev": true,
       "requires": {
-        "acorn": "^4.0.3"
+        "acorn": "4.0.13"
       },
       "dependencies": {
         "acorn": {
@@ -3513,12 +3525,12 @@
       "integrity": "sha1-K7xULw/amGGnVdOUf+/Ys/UThV8=",
       "dev": true,
       "requires": {
-        "ajv": "^4.7.0",
-        "ajv-keywords": "^1.0.0",
-        "chalk": "^1.1.1",
-        "lodash": "^4.0.0",
+        "ajv": "4.11.8",
+        "ajv-keywords": "1.5.1",
+        "chalk": "1.1.3",
+        "lodash": "4.17.10",
         "slice-ansi": "0.0.4",
-        "string-width": "^2.0.0"
+        "string-width": "2.1.1"
       },
       "dependencies": {
         "ajv": {
@@ -3527,8 +3539,8 @@
           "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
           "dev": true,
           "requires": {
-            "co": "^4.6.0",
-            "json-stable-stringify": "^1.0.1"
+            "co": "4.6.0",
+            "json-stable-stringify": "1.0.1"
           }
         },
         "ansi-regex": {
@@ -3549,11 +3561,11 @@
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
-            "ansi-styles": "^2.2.1",
-            "escape-string-regexp": "^1.0.2",
-            "has-ansi": "^2.0.0",
-            "strip-ansi": "^3.0.0",
-            "supports-color": "^2.0.0"
+            "ansi-styles": "2.2.1",
+            "escape-string-regexp": "1.0.5",
+            "has-ansi": "2.0.0",
+            "strip-ansi": "3.0.1",
+            "supports-color": "2.0.0"
           }
         },
         "json-stable-stringify": {
@@ -3562,7 +3574,7 @@
           "integrity": "sha1-mnWdOcXy/1A/1TAGRu1EX4jE+a8=",
           "dev": true,
           "requires": {
-            "jsonify": "~0.0.0"
+            "jsonify": "0.0.0"
           }
         },
         "strip-ansi": {
@@ -3571,7 +3583,7 @@
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
-            "ansi-regex": "^2.0.0"
+            "ansi-regex": "2.1.1"
           }
         },
         "supports-color": {
@@ -3588,19 +3600,19 @@
       "integrity": "sha1-9qn+xBzFCh3lD6M2A6tYCZH2Bo4=",
       "dev": true,
       "requires": {
-        "deep-equal": "~1.0.1",
-        "defined": "~1.0.0",
-        "for-each": "~0.3.2",
-        "function-bind": "~1.1.0",
-        "glob": "~7.1.2",
-        "has": "~1.0.1",
-        "inherits": "~2.0.3",
-        "minimist": "~1.2.0",
-        "object-inspect": "~1.3.0",
-        "resolve": "~1.4.0",
-        "resumer": "~0.0.0",
-        "string.prototype.trim": "~1.1.2",
-        "through": "~2.3.8"
+        "deep-equal": "1.0.1",
+        "defined": "1.0.0",
+        "for-each": "0.3.2",
+        "function-bind": "1.1.1",
+        "glob": "7.1.2",
+        "has": "1.0.1",
+        "inherits": "2.0.3",
+        "minimist": "1.2.0",
+        "object-inspect": "1.3.0",
+        "resolve": "1.4.0",
+        "resumer": "0.0.0",
+        "string.prototype.trim": "1.1.2",
+        "through": "2.3.8"
       },
       "dependencies": {
         "resolve": {
@@ -3609,7 +3621,7 @@
           "integrity": "sha1-p1vgHFPaJdk0qY69DkxKcxL5KoY=",
           "dev": true,
           "requires": {
-            "path-parse": "^1.0.5"
+            "path-parse": "1.0.5"
           }
         }
       }
@@ -3632,8 +3644,8 @@
       "integrity": "sha1-AARWmzfHx0ujnEPzzteNGtlBQL4=",
       "dev": true,
       "requires": {
-        "readable-stream": "^2.1.5",
-        "xtend": "~4.0.1"
+        "readable-stream": "2.3.3",
+        "xtend": "4.0.1"
       }
     },
     "timers-browserify": {
@@ -3642,7 +3654,7 @@
       "integrity": "sha1-ycWLV1voQHN1y14kYtrO50NZ9B0=",
       "dev": true,
       "requires": {
-        "process": "~0.11.0"
+        "process": "0.11.10"
       }
     },
     "to-arraybuffer": {
@@ -3656,7 +3668,7 @@
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.4.tgz",
       "integrity": "sha512-TZ6TTfI5NtZnuyy/Kecv+CnoROnyXn2DN97LontgQpCwsX2XyLYCC0ENhYkehSOwAp8rTQKc/NUIF7BkQ5rKLA==",
       "requires": {
-        "punycode": "^1.4.1"
+        "punycode": "1.4.1"
       }
     },
     "tr46": {
@@ -3664,7 +3676,7 @@
       "resolved": "https://registry.npmjs.org/tr46/-/tr46-1.0.1.tgz",
       "integrity": "sha1-qLE/1r/SSJUZZ0zN5VujaTtwbQk=",
       "requires": {
-        "punycode": "^2.1.0"
+        "punycode": "2.1.0"
       },
       "dependencies": {
         "punycode": {
@@ -3691,7 +3703,7 @@
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
       "requires": {
-        "safe-buffer": "^5.0.1"
+        "safe-buffer": "5.1.1"
       }
     },
     "turndown-attendant": {
@@ -3700,8 +3712,8 @@
       "integrity": "sha1-k0EGgAHtfz6SJUIxuVal7JZSKAw=",
       "dev": true,
       "requires": {
-        "jsdom": "^11.3.0",
-        "tape": "^4.8.0"
+        "jsdom": "11.9.0",
+        "tape": "4.8.0"
       }
     },
     "tweetnacl": {
@@ -3715,7 +3727,7 @@
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
       "requires": {
-        "prelude-ls": "~1.1.2"
+        "prelude-ls": "1.1.2"
       }
     },
     "typedarray": {
@@ -3760,7 +3772,7 @@
       "integrity": "sha1-nHC/2Babwdy/SGBODwS4tJzenp8=",
       "dev": true,
       "requires": {
-        "os-homedir": "^1.0.0"
+        "os-homedir": "1.0.2"
       }
     },
     "util": {
@@ -3796,9 +3808,9 @@
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
       "requires": {
-        "assert-plus": "^1.0.0",
+        "assert-plus": "1.0.0",
         "core-util-is": "1.0.2",
-        "extsprintf": "^1.2.0"
+        "extsprintf": "1.3.0"
       }
     },
     "vlq": {
@@ -3821,7 +3833,7 @@
       "resolved": "https://registry.npmjs.org/w3c-hr-time/-/w3c-hr-time-1.0.1.tgz",
       "integrity": "sha1-gqwr/2PZUOqeMYmlimViX+3xkEU=",
       "requires": {
-        "browser-process-hrtime": "^0.1.2"
+        "browser-process-hrtime": "0.1.2"
       }
     },
     "webidl-conversions": {
@@ -3847,9 +3859,9 @@
       "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-6.4.1.tgz",
       "integrity": "sha512-FwygsxsXx27x6XXuExA/ox3Ktwcbf+OAvrKmLulotDAiO1Q6ixchPFaHYsis2zZBZSJTR0+dR+JVtf7MlbqZjw==",
       "requires": {
-        "lodash.sortby": "^4.7.0",
-        "tr46": "^1.0.1",
-        "webidl-conversions": "^4.0.2"
+        "lodash.sortby": "4.7.0",
+        "tr46": "1.0.1",
+        "webidl-conversions": "4.0.2"
       }
     },
     "wordwrap": {
@@ -3869,7 +3881,7 @@
       "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
       "dev": true,
       "requires": {
-        "mkdirp": "^0.5.1"
+        "mkdirp": "0.5.1"
       }
     },
     "ws": {
@@ -3877,8 +3889,8 @@
       "resolved": "https://registry.npmjs.org/ws/-/ws-4.1.0.tgz",
       "integrity": "sha512-ZGh/8kF9rrRNffkLFV4AzhvooEclrOH0xaugmqGsIfFgOE/pIz4fMc4Ef+5HSQqTEug2S9JZIWDR47duDSLfaA==",
       "requires": {
-        "async-limiter": "~1.0.0",
-        "safe-buffer": "~5.1.0"
+        "async-limiter": "1.0.0",
+        "safe-buffer": "5.1.1"
       }
     },
     "xml-name-validator": {
diff --git a/src/node.js b/src/node.js
index 64d17a0e..0bd05102 100644
--- a/src/node.js
+++ b/src/node.js
@@ -10,7 +10,7 @@ export default function Node (node) {
 
 function isBlank (node) {
   return (
-    ['A', 'TH', 'TD'].indexOf(node.nodeName) === -1 &&
+    ['A', 'TH', 'TD', 'IFRAME'].indexOf(node.nodeName) === -1 &&
     /^\s*$/i.test(node.textContent) &&
     !isVoid(node) &&
     !hasVoid(node)
diff --git a/test/turndown-test.js b/test/turndown-test.js
index 47ae7861..8f63be12 100644
--- a/test/turndown-test.js
+++ b/test/turndown-test.js
@@ -92,16 +92,16 @@ test('#use with multiple plugins calls each fn with instance', function (t) {
 test('#keep keeps elements as HTML', function (t) {
   t.plan(2)
   var turndownService = new TurndownService()
-  var input = '<p>Hello <del>world</del><ins>World</ins></p>'
+  var input = '<p>Hello <del>world</del><ins>World</ins><iframe src="path/to/src"></iframe></p>'
 
   // Without `.keep(['del', 'ins'])`
   t.equal(turndownService.turndown(input), 'Hello worldWorld')
 
   // With `.keep(['del', 'ins'])`
-  turndownService.keep(['del', 'ins'])
+  turndownService.keep(['del', 'ins', 'iframe'])
   t.equal(
-    turndownService.turndown('<p>Hello <del>world</del><ins>World</ins></p>'),
-    'Hello <del>world</del><ins>World</ins>'
+    turndownService.turndown('<p>Hello <del>world</del><ins>World</ins><iframe src="path/to/src"></iframe></p>'),
+    'Hello <del>world</del><ins>World</ins><iframe src="path/to/src"></iframe>'
   )
 })