diff --git a/package.json b/package.json
index 9a2b47c..a9ba3d1 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "@babel/core": "7.4.5",
     "@babel/preset-env": "7.4.5",
     "babel-core": "7.0.0-bridge.0",
-    "babel-jest": "24.8.0",
+    "babel-jest": "24.9.0",
     "is-number": "7.0.0",
     "lodash.isequal": "4.5.0",
     "regenerator-runtime": "0.13.2"
diff --git a/yarn.lock b/yarn.lock
index 262f72b..342f851 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -808,6 +808,15 @@
     chalk "^2.0.1"
     slash "^2.0.0"
 
+"@jest/console@^24.9.0":
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/@jest/console/-/console-24.9.0.tgz#79b1bc06fb74a8cfb01cbdedf945584b1b9707f0"
+  integrity sha512-Zuj6b8TnKXi3q4ymac8EQfc3ea/uhLeCGThFqXeC8H9/raaH8ARPUTdId+XyGd03Z4In0/VjD2OYFcBF09fNLQ==
+  dependencies:
+    "@jest/source-map" "^24.9.0"
+    chalk "^2.0.1"
+    slash "^2.0.0"
+
 "@jest/core@^24.8.0":
   version "24.8.0"
   resolved "https://registry.yarnpkg.com/@jest/core/-/core-24.8.0.tgz#fbbdcd42a41d0d39cddbc9f520c8bab0c33eed5b"
@@ -860,6 +869,15 @@
     jest-message-util "^24.8.0"
     jest-mock "^24.8.0"
 
+"@jest/fake-timers@^24.9.0":
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/@jest/fake-timers/-/fake-timers-24.9.0.tgz#ba3e6bf0eecd09a636049896434d306636540c93"
+  integrity sha512-eWQcNa2YSwzXWIMC5KufBh3oWRIijrQFROsIqt6v/NS9Io/gknw1jsAC9c+ih/RQX4A3O7SeWAhQeN0goKhT9A==
+  dependencies:
+    "@jest/types" "^24.9.0"
+    jest-message-util "^24.9.0"
+    jest-mock "^24.9.0"
+
 "@jest/reporters@^24.8.0":
   version "24.8.0"
   resolved "https://registry.yarnpkg.com/@jest/reporters/-/reporters-24.8.0.tgz#075169cd029bddec54b8f2c0fc489fd0b9e05729"
@@ -896,6 +914,15 @@
     graceful-fs "^4.1.15"
     source-map "^0.6.0"
 
+"@jest/source-map@^24.9.0":
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/@jest/source-map/-/source-map-24.9.0.tgz#0e263a94430be4b41da683ccc1e6bffe2a191714"
+  integrity sha512-/Xw7xGlsZb4MJzNDgB7PW5crou5JqWiBQaz6xyPd3ArOg2nfn/PunV8+olXbbEZzNl591o5rWKE9BRDaFAuIBg==
+  dependencies:
+    callsites "^3.0.0"
+    graceful-fs "^4.1.15"
+    source-map "^0.6.0"
+
 "@jest/test-result@^24.8.0":
   version "24.8.0"
   resolved "https://registry.yarnpkg.com/@jest/test-result/-/test-result-24.8.0.tgz#7675d0aaf9d2484caa65e048d9b467d160f8e9d3"
@@ -905,6 +932,15 @@
     "@jest/types" "^24.8.0"
     "@types/istanbul-lib-coverage" "^2.0.0"
 
+"@jest/test-result@^24.9.0":
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/@jest/test-result/-/test-result-24.9.0.tgz#11796e8aa9dbf88ea025757b3152595ad06ba0ca"
+  integrity sha512-XEFrHbBonBJ8dGp2JmF8kP/nQI/ImPpygKHwQ/SY+es59Z3L5PI4Qb9TQQMAEeYsThG1xF0k6tmG0tIKATNiiA==
+  dependencies:
+    "@jest/console" "^24.9.0"
+    "@jest/types" "^24.9.0"
+    "@types/istanbul-lib-coverage" "^2.0.0"
+
 "@jest/test-sequencer@^24.8.0":
   version "24.8.0"
   resolved "https://registry.yarnpkg.com/@jest/test-sequencer/-/test-sequencer-24.8.0.tgz#2f993bcf6ef5eb4e65e8233a95a3320248cf994b"
@@ -915,35 +951,36 @@
     jest-runner "^24.8.0"
     jest-runtime "^24.8.0"
 
-"@jest/transform@^24.8.0":
-  version "24.8.0"
-  resolved "https://registry.yarnpkg.com/@jest/transform/-/transform-24.8.0.tgz#628fb99dce4f9d254c6fd9341e3eea262e06fef5"
-  integrity sha512-xBMfFUP7TortCs0O+Xtez2W7Zu1PLH9bvJgtraN1CDST6LBM/eTOZ9SfwS/lvV8yOfcDpFmwf9bq5cYbXvqsvA==
+"@jest/transform@^24.8.0", "@jest/transform@^24.9.0":
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/@jest/transform/-/transform-24.9.0.tgz#4ae2768b296553fadab09e9ec119543c90b16c56"
+  integrity sha512-TcQUmyNRxV94S0QpMOnZl0++6RMiqpbH/ZMccFB/amku6Uwvyb1cjYX7xkp5nGNkbX4QPH/FcB6q1HBTHynLmQ==
   dependencies:
     "@babel/core" "^7.1.0"
-    "@jest/types" "^24.8.0"
+    "@jest/types" "^24.9.0"
     babel-plugin-istanbul "^5.1.0"
     chalk "^2.0.1"
     convert-source-map "^1.4.0"
     fast-json-stable-stringify "^2.0.0"
     graceful-fs "^4.1.15"
-    jest-haste-map "^24.8.0"
-    jest-regex-util "^24.3.0"
-    jest-util "^24.8.0"
+    jest-haste-map "^24.9.0"
+    jest-regex-util "^24.9.0"
+    jest-util "^24.9.0"
     micromatch "^3.1.10"
+    pirates "^4.0.1"
     realpath-native "^1.1.0"
     slash "^2.0.0"
     source-map "^0.6.1"
     write-file-atomic "2.4.1"
 
-"@jest/types@^24.8.0":
-  version "24.8.0"
-  resolved "https://registry.yarnpkg.com/@jest/types/-/types-24.8.0.tgz#f31e25948c58f0abd8c845ae26fcea1491dea7ad"
-  integrity sha512-g17UxVr2YfBtaMUxn9u/4+siG1ptg9IGYAYwvpwn61nBg779RXnjE/m7CxYcIzEt0AbHZZAHSEZNhkE2WxURVg==
+"@jest/types@^24.8.0", "@jest/types@^24.9.0":
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/@jest/types/-/types-24.9.0.tgz#63cb26cb7500d069e5a389441a7c6ab5e909fc59"
+  integrity sha512-XKK7ze1apu5JWQ5eZjHITP66AX+QsLlbaJRBGYr8pNzwcAE2JVkwnf0yqjHTsDRcjR0mujy/NmZMXw5kl+kGBw==
   dependencies:
     "@types/istanbul-lib-coverage" "^2.0.0"
     "@types/istanbul-reports" "^1.1.1"
-    "@types/yargs" "^12.0.9"
+    "@types/yargs" "^13.0.0"
 
 "@types/babel__core@^7.1.0":
   version "7.1.0"
@@ -1008,11 +1045,23 @@
   resolved "https://registry.yarnpkg.com/@types/stack-utils/-/stack-utils-1.0.1.tgz#0a851d3bd96498fa25c33ab7278ed3bd65f06c3e"
   integrity sha512-l42BggppR6zLmpfU6fq9HEa2oGPEI8yrSPL3GITjfRInppYFahObbIQOQK3UGxEnyQpltZLaPe75046NOZQikw==
 
+"@types/yargs-parser@*":
+  version "13.1.0"
+  resolved "https://registry.yarnpkg.com/@types/yargs-parser/-/yargs-parser-13.1.0.tgz#c563aa192f39350a1d18da36c5a8da382bbd8228"
+  integrity sha512-gCubfBUZ6KxzoibJ+SCUc/57Ms1jz5NjHe4+dI2krNmU5zCPAphyLJYyTOg06ueIyfj+SaCUqmzun7ImlxDcKg==
+
 "@types/yargs@^12.0.2", "@types/yargs@^12.0.9":
   version "12.0.9"
   resolved "https://registry.yarnpkg.com/@types/yargs/-/yargs-12.0.9.tgz#693e76a52f61a2f1e7fb48c0eef167b95ea4ffd0"
   integrity sha512-sCZy4SxP9rN2w30Hlmg5dtdRwgYQfYRiLo9usw8X9cxlf+H4FqM1xX7+sNH7NNKVdbXMJWqva7iyy+fxh/V7fA==
 
+"@types/yargs@^13.0.0":
+  version "13.0.3"
+  resolved "https://registry.yarnpkg.com/@types/yargs/-/yargs-13.0.3.tgz#76482af3981d4412d65371a318f992d33464a380"
+  integrity sha512-K8/LfZq2duW33XW/tFwEAfnZlqIfVsoyRB3kfXdPXYhl0nfM8mmh7GS0jg7WrX2Dgq/0Ha/pR1PaR+BvmWwjiQ==
+  dependencies:
+    "@types/yargs-parser" "*"
+
 abab@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/abab/-/abab-2.0.0.tgz#aba0ab4c5eee2d4c79d3487d85450fb2376ebb0f"
@@ -1233,16 +1282,16 @@ babel-core@7.0.0-bridge.0:
   resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-7.0.0-bridge.0.tgz#95a492ddd90f9b4e9a4a1da14eb335b87b634ece"
   integrity sha512-poPX9mZH/5CSanm50Q+1toVci6pv5KSRv/5TWCwtzQS5XEwn40BcCrgIeMFWP9CKKIniKXNxoIOnOq4VVlGXhg==
 
-babel-jest@24.8.0, babel-jest@^24.8.0:
-  version "24.8.0"
-  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-24.8.0.tgz#5c15ff2b28e20b0f45df43fe6b7f2aae93dba589"
-  integrity sha512-+5/kaZt4I9efoXzPlZASyK/lN9qdRKmmUav9smVc0ruPQD7IsfucQ87gpOE8mn2jbDuS6M/YOW6n3v9ZoIfgnw==
+babel-jest@24.9.0, babel-jest@^24.8.0:
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-24.9.0.tgz#3fc327cb8467b89d14d7bc70e315104a783ccd54"
+  integrity sha512-ntuddfyiN+EhMw58PTNL1ph4C9rECiQXjI4nMMBKBaNjXvqLdkXpPRcMSr4iyBrJg/+wz9brFUD6RhOAT6r4Iw==
   dependencies:
-    "@jest/transform" "^24.8.0"
-    "@jest/types" "^24.8.0"
+    "@jest/transform" "^24.9.0"
+    "@jest/types" "^24.9.0"
     "@types/babel__core" "^7.1.0"
     babel-plugin-istanbul "^5.1.0"
-    babel-preset-jest "^24.6.0"
+    babel-preset-jest "^24.9.0"
     chalk "^2.4.2"
     slash "^2.0.0"
 
@@ -1255,20 +1304,20 @@ babel-plugin-istanbul@^5.1.0:
     istanbul-lib-instrument "^3.0.0"
     test-exclude "^5.0.0"
 
-babel-plugin-jest-hoist@^24.6.0:
-  version "24.6.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-24.6.0.tgz#f7f7f7ad150ee96d7a5e8e2c5da8319579e78019"
-  integrity sha512-3pKNH6hMt9SbOv0F3WVmy5CWQ4uogS3k0GY5XLyQHJ9EGpAT9XWkFd2ZiXXtkwFHdAHa5j7w7kfxSP5lAIwu7w==
+babel-plugin-jest-hoist@^24.9.0:
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-24.9.0.tgz#4f837091eb407e01447c8843cbec546d0002d756"
+  integrity sha512-2EMA2P8Vp7lG0RAzr4HXqtYwacfMErOuv1U3wrvxHX6rD1sV6xS3WXG3r8TRQ2r6w8OhvSdWt+z41hQNwNm3Xw==
   dependencies:
     "@types/babel__traverse" "^7.0.6"
 
-babel-preset-jest@^24.6.0:
-  version "24.6.0"
-  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-24.6.0.tgz#66f06136eefce87797539c0d63f1769cc3915984"
-  integrity sha512-pdZqLEdmy1ZK5kyRUfvBb2IfTPb2BUvIJczlPspS8fWmBQslNNDBqVfh7BW5leOVJMDZKzjD8XEyABTk6gQ5yw==
+babel-preset-jest@^24.9.0:
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-24.9.0.tgz#192b521e2217fb1d1f67cf73f70c336650ad3cdc"
+  integrity sha512-izTUuhE4TMfTRPF92fFwD2QfdXaZW08qvWTFCI51V8rW5x00UuPgc3ajRoWofXOuxjfcOM5zzSYsQS3H8KGCAg==
   dependencies:
     "@babel/plugin-syntax-object-rest-spread" "^7.0.0"
-    babel-plugin-jest-hoist "^24.6.0"
+    babel-plugin-jest-hoist "^24.9.0"
 
 balanced-match@^1.0.0:
   version "1.0.0"
@@ -2783,6 +2832,25 @@ jest-haste-map@^24.8.0:
   optionalDependencies:
     fsevents "^1.2.7"
 
+jest-haste-map@^24.9.0:
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-24.9.0.tgz#b38a5d64274934e21fa417ae9a9fbeb77ceaac7d"
+  integrity sha512-kfVFmsuWui2Sj1Rp1AJ4D9HqJwE4uwTlS/vO+eRUaMmd54BFpli2XhMQnPC2k4cHFVbB2Q2C+jtI1AGLgEnCjQ==
+  dependencies:
+    "@jest/types" "^24.9.0"
+    anymatch "^2.0.0"
+    fb-watchman "^2.0.0"
+    graceful-fs "^4.1.15"
+    invariant "^2.2.4"
+    jest-serializer "^24.9.0"
+    jest-util "^24.9.0"
+    jest-worker "^24.9.0"
+    micromatch "^3.1.10"
+    sane "^4.0.3"
+    walker "^1.0.7"
+  optionalDependencies:
+    fsevents "^1.2.7"
+
 jest-jasmine2@^24.8.0:
   version "24.8.0"
   resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-24.8.0.tgz#a9c7e14c83dd77d8b15e820549ce8987cc8cd898"
@@ -2836,6 +2904,20 @@ jest-message-util@^24.8.0:
     slash "^2.0.0"
     stack-utils "^1.0.1"
 
+jest-message-util@^24.9.0:
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-24.9.0.tgz#527f54a1e380f5e202a8d1149b0ec872f43119e3"
+  integrity sha512-oCj8FiZ3U0hTP4aSui87P4L4jC37BtQwUMqk+zk/b11FR19BJDeZsZAvIHutWnmtw7r85UmR3CEWZ0HWU2mAlw==
+  dependencies:
+    "@babel/code-frame" "^7.0.0"
+    "@jest/test-result" "^24.9.0"
+    "@jest/types" "^24.9.0"
+    "@types/stack-utils" "^1.0.1"
+    chalk "^2.0.1"
+    micromatch "^3.1.10"
+    slash "^2.0.0"
+    stack-utils "^1.0.1"
+
 jest-mock@^24.8.0:
   version "24.8.0"
   resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-24.8.0.tgz#2f9d14d37699e863f1febf4e4d5a33b7fdbbde56"
@@ -2843,6 +2925,13 @@ jest-mock@^24.8.0:
   dependencies:
     "@jest/types" "^24.8.0"
 
+jest-mock@^24.9.0:
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-24.9.0.tgz#c22835541ee379b908673ad51087a2185c13f1c6"
+  integrity sha512-3BEYN5WbSq9wd+SyLDES7AHnjH9A/ROBwmz7l2y+ol+NtSFO8DYiEBzoO1CeFc9a8DYy10EO4dDFVv/wN3zl1w==
+  dependencies:
+    "@jest/types" "^24.9.0"
+
 jest-pnp-resolver@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/jest-pnp-resolver/-/jest-pnp-resolver-1.2.1.tgz#ecdae604c077a7fbc70defb6d517c3c1c898923a"
@@ -2853,6 +2942,11 @@ jest-regex-util@^24.3.0:
   resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-24.3.0.tgz#d5a65f60be1ae3e310d5214a0307581995227b36"
   integrity sha512-tXQR1NEOyGlfylyEjg1ImtScwMq8Oh3iJbGTjN7p0J23EuVX1MA8rwU69K4sLbCmwzgCUbVkm0FkSF9TdzOhtg==
 
+jest-regex-util@^24.9.0:
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-24.9.0.tgz#c13fb3380bde22bf6575432c493ea8fe37965636"
+  integrity sha512-05Cmb6CuxaA+Ys6fjr3PhvV3bGQmO+2p2La4hFbU+W5uOc479f7FdLXUWXw4pYMAhhSZIuKHwSXSu6CsSBAXQA==
+
 jest-resolve-dependencies@^24.8.0:
   version "24.8.0"
   resolved "https://registry.yarnpkg.com/jest-resolve-dependencies/-/jest-resolve-dependencies-24.8.0.tgz#19eec3241f2045d3f990dba331d0d7526acff8e0"
@@ -2932,6 +3026,11 @@ jest-serializer@^24.4.0:
   resolved "https://registry.yarnpkg.com/jest-serializer/-/jest-serializer-24.4.0.tgz#f70c5918c8ea9235ccb1276d232e459080588db3"
   integrity sha512-k//0DtglVstc1fv+GY/VHDIjrtNjdYvYjMlbLUed4kxrE92sIUewOi5Hj3vrpB8CXfkJntRPDRjCrCvUhBdL8Q==
 
+jest-serializer@^24.9.0:
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/jest-serializer/-/jest-serializer-24.9.0.tgz#e6d7d7ef96d31e8b9079a714754c5d5c58288e73"
+  integrity sha512-DxYipDr8OvfrKH3Kel6NdED3OXxjvxXZ1uIY2I9OFbGg+vUkkg7AGvi65qbhbWNPvDckXmzMPbK3u3HaDO49bQ==
+
 jest-snapshot@^24.8.0:
   version "24.8.0"
   resolved "https://registry.yarnpkg.com/jest-snapshot/-/jest-snapshot-24.8.0.tgz#3bec6a59da2ff7bc7d097a853fb67f9d415cb7c6"
@@ -2968,6 +3067,24 @@ jest-util@^24.8.0:
     slash "^2.0.0"
     source-map "^0.6.0"
 
+jest-util@^24.9.0:
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-24.9.0.tgz#7396814e48536d2e85a37de3e4c431d7cb140162"
+  integrity sha512-x+cZU8VRmOJxbA1K5oDBdxQmdq0OIdADarLxk0Mq+3XS4jgvhG/oKGWcIDCtPG0HgjxOYvF+ilPJQsAyXfbNOg==
+  dependencies:
+    "@jest/console" "^24.9.0"
+    "@jest/fake-timers" "^24.9.0"
+    "@jest/source-map" "^24.9.0"
+    "@jest/test-result" "^24.9.0"
+    "@jest/types" "^24.9.0"
+    callsites "^3.0.0"
+    chalk "^2.0.1"
+    graceful-fs "^4.1.15"
+    is-ci "^2.0.0"
+    mkdirp "^0.5.1"
+    slash "^2.0.0"
+    source-map "^0.6.0"
+
 jest-validate@^24.8.0:
   version "24.8.0"
   resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-24.8.0.tgz#624c41533e6dfe356ffadc6e2423a35c2d3b4849"
@@ -3001,6 +3118,14 @@ jest-worker@^24.6.0:
     merge-stream "^1.0.1"
     supports-color "^6.1.0"
 
+jest-worker@^24.9.0:
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-24.9.0.tgz#5dbfdb5b2d322e98567898238a9697bcce67b3e5"
+  integrity sha512-51PE4haMSXcHohnSMdM42anbvZANYTqMrr52tVKPqqsPJMzoP6FYYDVqahX/HrAoKEKz3uUPzSvKs9A3qR4iVw==
+  dependencies:
+    merge-stream "^2.0.0"
+    supports-color "^6.1.0"
+
 jest@24.8.0:
   version "24.8.0"
   resolved "https://registry.yarnpkg.com/jest/-/jest-24.8.0.tgz#d5dff1984d0d1002196e9b7f12f75af1b2809081"
@@ -3277,6 +3402,11 @@ merge-stream@^1.0.1:
   dependencies:
     readable-stream "^2.0.1"
 
+merge-stream@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/merge-stream/-/merge-stream-2.0.0.tgz#52823629a14dd00c9770fb6ad47dc6310f2c1f60"
+  integrity sha512-abv/qOcuPfk3URPfDzmZU1LKmuw8kT+0nIHvKrKgFrwifol/doWcdA4ZqsWQ8ENrFKkd67Mfpo/LovbIUsbt3w==
+
 micromatch@^3.1.10, micromatch@^3.1.4:
   version "3.1.10"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"