diff --git a/.babelrc b/.babelrc
index e7e4dbd9..69085dd3 100644
--- a/.babelrc
+++ b/.babelrc
@@ -5,7 +5,7 @@
       {
         "useBuiltIns": true,
         "targets": {
-          "node": "4.3"
+          "node": "4.8"
         },
         "exclude": [
           "transform-async-to-generator",
diff --git a/.travis.yml b/.travis.yml
index bae537f1..16f2daba 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,7 +15,7 @@ jobs:
       env: WEBPACK_VERSION=latest JOB_PART=test
       script: npm run travis:$JOB_PART
     - <<: *test-latest
-      node_js: 4.3
+      node_js: 4.8
       env: WEBPACK_VERSION=latest JOB_PART=test
       script: npm run travis:$JOB_PART
     - <<: *test-latest
@@ -33,7 +33,7 @@ jobs:
       node_js: 8
       env: WEBPACK_VERSION=canary JOB_PART=test
 before_install:
-  - 'npm i -g npm@^5.0.0'
+  - 'if [[ `npm -v` != 5* ]]; then npm i -g npm@^5.0.0; fi'
   - nvm --version
   - node --version
   - npm --version
diff --git a/appveyor.yml b/appveyor.yml
index bf3f13c5..031df576 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -11,7 +11,7 @@ environment:
     - nodejs_version: '6'
       webpack_version: latest
       job_part: test
-    - nodejs_version: '4.3'
+    - nodejs_version: '4.8'
       webpack_version: latest
       job_part: test
 build: 'off'
@@ -19,7 +19,7 @@ matrix:
   fast_finish: true
 install:
   - ps: Install-Product node $env:nodejs_version x64
-  - cmd: npm i -g npm@latest
+  - npm i -g npm@latest
   - npm install
 before_test:
   - cmd: npm install webpack@%webpack_version%
diff --git a/package-lock.json b/package-lock.json
index ba464715..d1a38ae6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,21 +5,21 @@
   "requires": true,
   "dependencies": {
     "abab": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/abab/-/abab-1.0.3.tgz",
-      "integrity": "sha1-uB3l9ydOxOdW15fNg08wNkJyTl0=",
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/abab/-/abab-1.0.4.tgz",
+      "integrity": "sha1-X6rZwsB/YN12dw9xzwJbYqY8/U4=",
       "dev": true
     },
     "abbrev": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.0.tgz",
-      "integrity": "sha1-0FVMIlZjbi9W58LlrRg/hZQo2B8=",
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
+      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==",
       "dev": true
     },
     "acorn": {
-      "version": "5.1.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.1.1.tgz",
-      "integrity": "sha512-vOk6uEMctu0vQrvuSqFdJyqj1Q0S5VTDL79qtjo+DhRr+1mmaD+tluFSCZqhvi/JUhXSzoZN2BhtstaPEeE8cw==",
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.1.2.tgz",
+      "integrity": "sha512-o96FZLJBPY1lvTuJylGA9Bk3t/GKPPJG8H0ydQQl01crzwJgspa4AEIq/pVTXigmK0PHVQhiAtn8WMBLL9D2WA==",
       "dev": true
     },
     "acorn-dynamic-import": {
@@ -134,13 +134,13 @@
       "dev": true
     },
     "anymatch": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-1.3.0.tgz",
-      "integrity": "sha1-o+Uvo5FoyCX/V7AkgSbOWo/5VQc=",
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-1.3.2.tgz",
+      "integrity": "sha512-0XNayC8lTHQ2OI8aljNCN3sSx6hsr/1+rlcDAotXJR7C1oZZHCNsfpbKwMjRA3Uqb5tF1Rae2oloTr4xpq+WjA==",
       "dev": true,
       "requires": {
-        "arrify": "1.0.1",
-        "micromatch": "2.3.11"
+        "micromatch": "2.3.11",
+        "normalize-path": "2.1.1"
       }
     },
     "app-root-path": {
@@ -228,9 +228,9 @@
       "dev": true
     },
     "asap": {
-      "version": "2.0.5",
-      "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.5.tgz",
-      "integrity": "sha1-UidltQw1EEkOUtfc/ghe+bqWlY8=",
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
+      "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY=",
       "dev": true,
       "optional": true
     },
@@ -246,7 +246,7 @@
       "integrity": "sha1-SLokC0WpKA6UdImQull9IWYX/UA=",
       "dev": true,
       "requires": {
-        "bn.js": "4.11.7",
+        "bn.js": "4.11.8",
         "inherits": "2.0.3",
         "minimalistic-assert": "1.0.0"
       }
@@ -261,9 +261,15 @@
       }
     },
     "assert-plus": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-0.2.0.tgz",
-      "integrity": "sha1-104bh+ev/A24qttwIfP+SBAasjQ=",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
+      "dev": true
+    },
+    "astral-regex": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-1.0.0.tgz",
+      "integrity": "sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==",
       "dev": true
     },
     "async": {
@@ -288,9 +294,9 @@
       "dev": true
     },
     "aws-sign2": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.6.0.tgz",
-      "integrity": "sha1-FDQt0428yU0OW4fXY81jYSwOeU8=",
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
       "dev": true
     },
     "aws4": {
@@ -300,15 +306,15 @@
       "dev": true
     },
     "babel-cli": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-cli/-/babel-cli-6.24.1.tgz",
-      "integrity": "sha1-IHzXBbumFImy6kG1MSNBz2rKIoM=",
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-cli/-/babel-cli-6.26.0.tgz",
+      "integrity": "sha1-UCq1SHTX24itALiHoGODzgPQAvE=",
       "dev": true,
       "requires": {
-        "babel-core": "6.25.0",
-        "babel-polyfill": "6.23.0",
-        "babel-register": "6.24.1",
-        "babel-runtime": "6.23.0",
+        "babel-core": "6.26.0",
+        "babel-polyfill": "6.26.0",
+        "babel-register": "6.26.0",
+        "babel-runtime": "6.26.0",
         "chokidar": "1.7.0",
         "commander": "2.11.0",
         "convert-source-map": "1.5.0",
@@ -318,14 +324,14 @@
         "output-file-sync": "1.1.2",
         "path-is-absolute": "1.0.1",
         "slash": "1.0.0",
-        "source-map": "0.5.6",
+        "source-map": "0.5.7",
         "v8flags": "2.1.1"
       }
     },
     "babel-code-frame": {
-      "version": "6.22.0",
-      "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.22.0.tgz",
-      "integrity": "sha1-AnYgvuVnqIwyVhV05/0IAdMxGOQ=",
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
+      "integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
       "dev": true,
       "requires": {
         "chalk": "1.1.3",
@@ -334,45 +340,45 @@
       }
     },
     "babel-core": {
-      "version": "6.25.0",
-      "resolved": "https://registry.npmjs.org/babel-core/-/babel-core-6.25.0.tgz",
-      "integrity": "sha1-fdQrBGPHQunVKW3rPsZ6kyLa1yk=",
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-core/-/babel-core-6.26.0.tgz",
+      "integrity": "sha1-rzL3izGm/O8RnIew/Y2XU/A6C7g=",
       "dev": true,
       "requires": {
-        "babel-code-frame": "6.22.0",
-        "babel-generator": "6.25.0",
+        "babel-code-frame": "6.26.0",
+        "babel-generator": "6.26.0",
         "babel-helpers": "6.24.1",
         "babel-messages": "6.23.0",
-        "babel-register": "6.24.1",
-        "babel-runtime": "6.23.0",
-        "babel-template": "6.25.0",
-        "babel-traverse": "6.25.0",
-        "babel-types": "6.25.0",
-        "babylon": "6.17.4",
+        "babel-register": "6.26.0",
+        "babel-runtime": "6.26.0",
+        "babel-template": "6.26.0",
+        "babel-traverse": "6.26.0",
+        "babel-types": "6.26.0",
+        "babylon": "6.18.0",
         "convert-source-map": "1.5.0",
-        "debug": "2.6.8",
+        "debug": "2.6.9",
         "json5": "0.5.1",
         "lodash": "4.17.4",
         "minimatch": "3.0.4",
         "path-is-absolute": "1.0.1",
         "private": "0.1.7",
         "slash": "1.0.0",
-        "source-map": "0.5.6"
+        "source-map": "0.5.7"
       }
     },
     "babel-generator": {
-      "version": "6.25.0",
-      "resolved": "https://registry.npmjs.org/babel-generator/-/babel-generator-6.25.0.tgz",
-      "integrity": "sha1-M6GvcNXyiQrrRlpKd5PB32qeqfw=",
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-generator/-/babel-generator-6.26.0.tgz",
+      "integrity": "sha1-rBriAHC3n248odMmlhMFN3TyDcU=",
       "dev": true,
       "requires": {
         "babel-messages": "6.23.0",
-        "babel-runtime": "6.23.0",
-        "babel-types": "6.25.0",
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0",
         "detect-indent": "4.0.0",
         "jsesc": "1.3.0",
         "lodash": "4.17.4",
-        "source-map": "0.5.6",
+        "source-map": "0.5.7",
         "trim-right": "1.0.1"
       }
     },
@@ -383,8 +389,8 @@
       "dev": true,
       "requires": {
         "babel-helper-explode-assignable-expression": "6.24.1",
-        "babel-runtime": "6.23.0",
-        "babel-types": "6.25.0"
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0"
       }
     },
     "babel-helper-call-delegate": {
@@ -394,20 +400,20 @@
       "dev": true,
       "requires": {
         "babel-helper-hoist-variables": "6.24.1",
-        "babel-runtime": "6.23.0",
-        "babel-traverse": "6.25.0",
-        "babel-types": "6.25.0"
+        "babel-runtime": "6.26.0",
+        "babel-traverse": "6.26.0",
+        "babel-types": "6.26.0"
       }
     },
     "babel-helper-define-map": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-helper-define-map/-/babel-helper-define-map-6.24.1.tgz",
-      "integrity": "sha1-epdH8ljYlH0y1RX2qhx70CIEoIA=",
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-helper-define-map/-/babel-helper-define-map-6.26.0.tgz",
+      "integrity": "sha1-pfVtq0GiX5fstJjH66ypgZ+Vvl8=",
       "dev": true,
       "requires": {
         "babel-helper-function-name": "6.24.1",
-        "babel-runtime": "6.23.0",
-        "babel-types": "6.25.0",
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0",
         "lodash": "4.17.4"
       }
     },
@@ -417,9 +423,9 @@
       "integrity": "sha1-8luCz33BBDPFX3BZLVdGQArCLKo=",
       "dev": true,
       "requires": {
-        "babel-runtime": "6.23.0",
-        "babel-traverse": "6.25.0",
-        "babel-types": "6.25.0"
+        "babel-runtime": "6.26.0",
+        "babel-traverse": "6.26.0",
+        "babel-types": "6.26.0"
       }
     },
     "babel-helper-function-name": {
@@ -429,10 +435,10 @@
       "dev": true,
       "requires": {
         "babel-helper-get-function-arity": "6.24.1",
-        "babel-runtime": "6.23.0",
-        "babel-template": "6.25.0",
-        "babel-traverse": "6.25.0",
-        "babel-types": "6.25.0"
+        "babel-runtime": "6.26.0",
+        "babel-template": "6.26.0",
+        "babel-traverse": "6.26.0",
+        "babel-types": "6.26.0"
       }
     },
     "babel-helper-get-function-arity": {
@@ -441,8 +447,8 @@
       "integrity": "sha1-j3eCqpNAfEHTqlCQj4mwMbG2hT0=",
       "dev": true,
       "requires": {
-        "babel-runtime": "6.23.0",
-        "babel-types": "6.25.0"
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0"
       }
     },
     "babel-helper-hoist-variables": {
@@ -451,8 +457,8 @@
       "integrity": "sha1-HssnaJydJVE+rbyZFKc/VAi+enY=",
       "dev": true,
       "requires": {
-        "babel-runtime": "6.23.0",
-        "babel-types": "6.25.0"
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0"
       }
     },
     "babel-helper-optimise-call-expression": {
@@ -461,18 +467,18 @@
       "integrity": "sha1-96E0J7qfc/j0+pk8VKl4gtEkQlc=",
       "dev": true,
       "requires": {
-        "babel-runtime": "6.23.0",
-        "babel-types": "6.25.0"
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0"
       }
     },
     "babel-helper-regex": {
-      "version": "6.24.1",
-      "resolved": "https://registry.npmjs.org/babel-helper-regex/-/babel-helper-regex-6.24.1.tgz",
-      "integrity": "sha1-024i+rEAjXnYhkjjIRaGgShFbOg=",
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-helper-regex/-/babel-helper-regex-6.26.0.tgz",
+      "integrity": "sha1-MlxZ+QL4LyS3T6zu0DY5VPZJXnI=",
       "dev": true,
       "requires": {
-        "babel-runtime": "6.23.0",
-        "babel-types": "6.25.0",
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0",
         "lodash": "4.17.4"
       }
     },
@@ -483,10 +489,10 @@
       "dev": true,
       "requires": {
         "babel-helper-function-name": "6.24.1",
-        "babel-runtime": "6.23.0",
-        "babel-template": "6.25.0",
-        "babel-traverse": "6.25.0",
-        "babel-types": "6.25.0"
+        "babel-runtime": "6.26.0",
+        "babel-template": "6.26.0",
+        "babel-traverse": "6.26.0",
+        "babel-types": "6.26.0"
       }
     },
     "babel-helper-replace-supers": {
@@ -497,10 +503,10 @@
       "requires": {
         "babel-helper-optimise-call-expression": "6.24.1",
         "babel-messages": "6.23.0",
-        "babel-runtime": "6.23.0",
-        "babel-template": "6.25.0",
-        "babel-traverse": "6.25.0",
-        "babel-types": "6.25.0"
+        "babel-runtime": "6.26.0",
+        "babel-template": "6.26.0",
+        "babel-traverse": "6.26.0",
+        "babel-types": "6.26.0"
       }
     },
     "babel-helpers": {
@@ -509,19 +515,18 @@
       "integrity": "sha1-NHHenK7DiOXIUOWX5Yom3fN2ArI=",
       "dev": true,
       "requires": {
-        "babel-runtime": "6.23.0",
-        "babel-template": "6.25.0"
+        "babel-runtime": "6.26.0",
+        "babel-template": "6.26.0"
       }
     },
     "babel-jest": {
-      "version": "20.0.3",
-      "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-20.0.3.tgz",
-      "integrity": "sha1-5KA7E9wQOJ4UD8ZF0J/8TO0wFnE=",
+      "version": "21.2.0",
+      "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-21.2.0.tgz",
+      "integrity": "sha512-O0W2qLoWu1QOoOGgxiR2JID4O6WSpxPiQanrkyi9SSlM0PJ60Ptzlck47lhtnr9YZO3zYOsxHwnyeWJ6AffoBQ==",
       "dev": true,
       "requires": {
-        "babel-core": "6.25.0",
-        "babel-plugin-istanbul": "4.1.4",
-        "babel-preset-jest": "20.0.3"
+        "babel-plugin-istanbul": "4.1.5",
+        "babel-preset-jest": "21.2.0"
       }
     },
     "babel-messages": {
@@ -530,7 +535,7 @@
       "integrity": "sha1-8830cDhYA1sqKVHG7F7fbGLyYw4=",
       "dev": true,
       "requires": {
-        "babel-runtime": "6.23.0"
+        "babel-runtime": "6.26.0"
       }
     },
     "babel-plugin-check-es2015-constants": {
@@ -539,24 +544,24 @@
       "integrity": "sha1-NRV7EBQm/S/9PaP3XH0ekYNbv4o=",
       "dev": true,
       "requires": {
-        "babel-runtime": "6.23.0"
+        "babel-runtime": "6.26.0"
       }
     },
     "babel-plugin-istanbul": {
-      "version": "4.1.4",
-      "resolved": "https://registry.npmjs.org/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.4.tgz",
-      "integrity": "sha1-GN3oS/POMp/d8/QQP66SFFbY5Yc=",
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.5.tgz",
+      "integrity": "sha1-Z2DN2Xf0EdPhdbsGTyvDJ9mbK24=",
       "dev": true,
       "requires": {
         "find-up": "2.1.0",
-        "istanbul-lib-instrument": "1.7.3",
+        "istanbul-lib-instrument": "1.8.0",
         "test-exclude": "4.1.1"
       }
     },
     "babel-plugin-jest-hoist": {
-      "version": "20.0.3",
-      "resolved": "https://registry.npmjs.org/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-20.0.3.tgz",
-      "integrity": "sha1-r+3IU70/jcNUjqZx++adA8wsF2c=",
+      "version": "21.2.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-21.2.0.tgz",
+      "integrity": "sha512-yi5QuiVyyvhBUDLP4ButAnhYzkdrUwWDtvUJv71hjH3fclhnZg4HkDeqaitcR2dZZx/E67kGkRcPVjtVu+SJfQ==",
       "dev": true
     },
     "babel-plugin-syntax-async-functions": {
@@ -591,7 +596,7 @@
       "requires": {
         "babel-helper-remap-async-to-generator": "6.24.1",
         "babel-plugin-syntax-async-functions": "6.13.0",
-        "babel-runtime": "6.23.0"
+        "babel-runtime": "6.26.0"
       }
     },
     "babel-plugin-transform-es2015-arrow-functions": {
@@ -600,7 +605,7 @@
       "integrity": "sha1-RSaSy3EdX3ncf4XkQM5BufJE0iE=",
       "dev": true,
       "requires": {
-        "babel-runtime": "6.23.0"
+        "babel-runtime": "6.26.0"
       }
     },
     "babel-plugin-transform-es2015-block-scoped-functions": {
@@ -609,19 +614,19 @@
       "integrity": "sha1-u8UbSflk1wy42OC5ToICRs46YUE=",
       "dev": true,
       "requires": {
-        "babel-runtime": "6.23.0"
+        "babel-runtime": "6.26.0"
       }
     },
     "babel-plugin-transform-es2015-block-scoping": {
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+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-9.0.1.tgz",
+      "integrity": "sha1-UqzCP+7Kw0BCB47njAwAf1CF20w=",
       "dev": true,
       "requires": {
-        "camelcase": "3.0.0",
+        "camelcase": "4.1.0",
         "cliui": "3.2.0",
         "decamelize": "1.2.0",
         "get-caller-file": "1.0.2",
-        "os-locale": "1.4.0",
-        "read-pkg-up": "1.0.1",
+        "os-locale": "2.1.0",
+        "read-pkg-up": "2.0.0",
         "require-directory": "2.1.1",
         "require-main-filename": "1.0.1",
         "set-blocking": "2.0.0",
-        "string-width": "1.0.2",
-        "which-module": "1.0.0",
+        "string-width": "2.1.1",
+        "which-module": "2.0.0",
         "y18n": "3.2.1",
-        "yargs-parser": "5.0.0"
+        "yargs-parser": "7.0.0"
       },
       "dependencies": {
-        "camelcase": {
+        "ansi-regex": {
           "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
-          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+          "dev": true
+        },
+        "camelcase": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
+          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
           "dev": true
         },
         "cliui": {
@@ -8587,23 +9114,111 @@
             "string-width": "1.0.2",
             "strip-ansi": "3.0.1",
             "wrap-ansi": "2.1.0"
+          },
+          "dependencies": {
+            "string-width": {
+              "version": "1.0.2",
+              "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+              "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+              "dev": true,
+              "requires": {
+                "code-point-at": "1.1.0",
+                "is-fullwidth-code-point": "1.0.0",
+                "strip-ansi": "3.0.1"
+              }
+            }
+          }
+        },
+        "load-json-file": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
+          "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "4.1.11",
+            "parse-json": "2.2.0",
+            "pify": "2.3.0",
+            "strip-bom": "3.0.0"
+          }
+        },
+        "path-type": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/path-type/-/path-type-2.0.0.tgz",
+          "integrity": "sha1-8BLMuEFbcJb8LaoQVMPXI4lZTHM=",
+          "dev": true,
+          "requires": {
+            "pify": "2.3.0"
+          }
+        },
+        "read-pkg": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-2.0.0.tgz",
+          "integrity": "sha1-jvHAYjxqbbDcZxPEv6xGMysjaPg=",
+          "dev": true,
+          "requires": {
+            "load-json-file": "2.0.0",
+            "normalize-package-data": "2.4.0",
+            "path-type": "2.0.0"
+          }
+        },
+        "read-pkg-up": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-2.0.0.tgz",
+          "integrity": "sha1-a3KoBImE4MQeeVEP1en6mbO1Sb4=",
+          "dev": true,
+          "requires": {
+            "find-up": "2.1.0",
+            "read-pkg": "2.0.0"
+          }
+        },
+        "string-width": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+          "dev": true,
+          "requires": {
+            "is-fullwidth-code-point": "2.0.0",
+            "strip-ansi": "4.0.0"
+          },
+          "dependencies": {
+            "is-fullwidth-code-point": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+              "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+              "dev": true
+            },
+            "strip-ansi": {
+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+              "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+              "dev": true,
+              "requires": {
+                "ansi-regex": "3.0.0"
+              }
+            }
           }
+        },
+        "strip-bom": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
+          "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
+          "dev": true
         }
       }
     },
     "yargs-parser": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.0.tgz",
-      "integrity": "sha1-J17PDX/+Bcd+ZOfIbkzZS/DhIoo=",
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-7.0.0.tgz",
+      "integrity": "sha1-jQrELxbqVd69MyyvTEA4s+P139k=",
       "dev": true,
       "requires": {
-        "camelcase": "3.0.0"
+        "camelcase": "4.1.0"
       },
       "dependencies": {
         "camelcase": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
-          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
+          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
           "dev": true
         }
       }
@@ -8626,7 +9241,7 @@
           "dev": true,
           "requires": {
             "lru-cache": "4.1.1",
-            "which": "1.2.14"
+            "which": "1.3.0"
           }
         }
       }
diff --git a/package.json b/package.json
index 57f0a2e2..9f56e45f 100644
--- a/package.json
+++ b/package.json
@@ -41,17 +41,17 @@
   },
   "devDependencies": {
     "babel-cli": "^6.24.0",
-    "babel-jest": "^20.0.3",
+    "babel-jest": "^21.2.0",
     "babel-plugin-transform-object-rest-spread": "^6.23.0",
     "babel-polyfill": "^6.23.0",
-    "babel-preset-env": "^1.2.2",
+    "babel-preset-env": "^1.6.0",
     "cross-env": "^3.2.4",
     "del-cli": "^0.2.1",
     "eslint": "^3.18.0",
     "eslint-config-webpack": "^1.2.1",
     "eslint-plugin-import": "^2.2.0",
     "inspect-loader": "^1.0.0",
-    "jest": "^20.0.3",
+    "jest": "^21.2.1",
     "less": "^2.3.1",
     "lint-staged": "^3.4.0",
     "nodemon": "^1.11.0",
@@ -59,7 +59,7 @@
     "pre-commit": "^1.2.2",
     "standard-version": "^4.0.0",
     "webpack": "latest",
-    "webpack-defaults": "^1.0.1"
+    "webpack-defaults": "^1.6.0"
   },
   "repository": {
     "type": "git",