diff --git a/package.json b/package.json
index 778d05e..716f18f 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "through": "2.3.8"
   },
   "devDependencies": {
-    "jshint": "2.9.6",
+    "jshint": "2.10.3",
     "should": "13.1.2",
     "mocha": "4.0.1"
   }
diff --git a/yarn.lock b/yarn.lock
index 32bbceb..d2e5bcc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -49,9 +49,9 @@ ansi-styles@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
 
-ansi-styles@^3.1.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.0.tgz#c159b8d5be0f9e5a6f346dab94f16ce022161b88"
+ansi-styles@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
   dependencies:
     color-convert "^1.9.0"
 
@@ -94,16 +94,17 @@ asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
 
-autoprefixer@^7.0.0:
-  version "7.1.4"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-7.1.4.tgz#960847dbaa4016bc8e8e52ec891cbf8f1257a748"
+autoprefixer@^9.0.0:
+  version "9.7.1"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.7.1.tgz#9ffc44c55f5ca89253d9bb7186cefb01ef57747f"
   dependencies:
-    browserslist "^2.4.0"
-    caniuse-lite "^1.0.30000726"
+    browserslist "^4.7.2"
+    caniuse-lite "^1.0.30001006"
+    chalk "^2.4.2"
     normalize-range "^0.1.2"
     num2fraction "^1.2.2"
-    postcss "^6.0.11"
-    postcss-value-parser "^3.2.3"
+    postcss "^7.0.21"
+    postcss-value-parser "^4.0.2"
 
 aws-sign2@~0.7.0:
   version "0.7.0"
@@ -152,12 +153,13 @@ browser-stdout@1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.0.tgz#f351d32969d32fa5d7a5567154263d928ae3bd1f"
 
-browserslist@^2.4.0:
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-2.4.0.tgz#693ee93d01e66468a6348da5498e011f578f87f8"
+browserslist@^4.7.2:
+  version "4.7.2"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.7.2.tgz#1bb984531a476b5d389cedecb195b2cd69fb1348"
   dependencies:
-    caniuse-lite "^1.0.30000718"
-    electron-to-chromium "^1.3.18"
+    caniuse-lite "^1.0.30001004"
+    electron-to-chromium "^1.3.295"
+    node-releases "^1.1.38"
 
 builtin-modules@^1.0.0:
   version "1.1.1"
@@ -189,9 +191,9 @@ camelcase@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
 
-caniuse-lite@^1.0.30000718, caniuse-lite@^1.0.30000726:
-  version "1.0.30000744"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000744.tgz#860fa5c83ba34fe619397d607f30bb474821671b"
+caniuse-lite@^1.0.30001004, caniuse-lite@^1.0.30001006:
+  version "1.0.30001008"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001008.tgz#b8841b1df78a9f5ed9702537ef592f1f8772c0d9"
 
 caseless@~0.12.0:
   version "0.12.0"
@@ -214,13 +216,13 @@ chalk@^1.1.1:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.1.0.tgz#ac5becf14fa21b99c6c92ca7a7d7cfd5b17e743e"
+chalk@^2.4.2:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
   dependencies:
-    ansi-styles "^3.1.0"
+    ansi-styles "^3.2.1"
     escape-string-regexp "^1.0.5"
-    supports-color "^4.0.0"
+    supports-color "^5.3.0"
 
 change-case@2.3.x:
   version "2.3.1"
@@ -484,9 +486,9 @@ ejs@^2.3.4:
   version "2.5.7"
   resolved "https://registry.yarnpkg.com/ejs/-/ejs-2.5.7.tgz#cc872c168880ae3c7189762fd5ffc00896c9518a"
 
-electron-to-chromium@^1.3.18:
-  version "1.3.24"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.24.tgz#9b7b88bb05ceb9fa016a177833cc2dde388f21b6"
+electron-to-chromium@^1.3.295:
+  version "1.3.306"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.306.tgz#e8265301d053d5f74e36cb876486830261fbe946"
 
 entities@1.0:
   version "1.0.0"
@@ -676,6 +678,10 @@ has-flag@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
 
+has-flag@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
+
 has-unicode@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
@@ -863,15 +869,15 @@ jsbn@~0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
 
-jshint@2.9.5:
-  version "2.9.5"
-  resolved "https://registry.yarnpkg.com/jshint/-/jshint-2.9.5.tgz#1e7252915ce681b40827ee14248c46d34e9aa62c"
+jshint@2.10.3:
+  version "2.10.3"
+  resolved "https://registry.yarnpkg.com/jshint/-/jshint-2.10.3.tgz#98dc765bf6920b41bc2719f76b8739d6f6e93a9c"
   dependencies:
     cli "~1.0.0"
     console-browserify "1.1.x"
     exit "0.1.x"
     htmlparser2 "3.8.x"
-    lodash "3.7.x"
+    lodash "~4.17.11"
     minimatch "~3.0.2"
     shelljs "0.3.x"
     strip-json-comments "1.0.x"
@@ -971,14 +977,14 @@ lodash.mergewith@^4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.0.tgz#150cf0a16791f5903b8891eab154609274bdea55"
 
-lodash@3.7.x:
-  version "3.7.0"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.7.0.tgz#3678bd8ab995057c07ade836ed2ef087da811d45"
-
 lodash@^4.0.0, lodash@^4.16.6, lodash@~4.17.4:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
+lodash@~4.17.11:
+  version "4.17.15"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
+
 longest@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
@@ -1105,6 +1111,12 @@ node-gyp@^3.3.1:
     tar "^2.0.0"
     which "1"
 
+node-releases@^1.1.38:
+  version "1.1.39"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.39.tgz#c1011f30343aff5b633153b10ff691d278d08e8d"
+  dependencies:
+    semver "^6.3.0"
+
 node-sass@^4.1.0:
   version "4.5.3"
   resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.5.3.tgz#d09c9d1179641239d1b97ffc6231fdcec53e1568"
@@ -1264,17 +1276,17 @@ pinkie@^2.0.0:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
 
-postcss-value-parser@^3.2.3:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-3.3.0.tgz#87f38f9f18f774a4ab4c8a232f5c5ce8872a9d15"
+postcss-value-parser@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.0.2.tgz#482282c09a42706d1fc9a069b73f44ec08391dc9"
 
-postcss@^6.0.0, postcss@^6.0.11:
-  version "6.0.13"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.13.tgz#b9ecab4ee00c89db3ec931145bd9590bbf3f125f"
+postcss@^7.0.0, postcss@^7.0.21:
+  version "7.0.21"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.21.tgz#06bb07824c19c2021c5d056d5b10c35b989f7e17"
   dependencies:
-    chalk "^2.1.0"
+    chalk "^2.4.2"
     source-map "^0.6.1"
-    supports-color "^4.4.0"
+    supports-color "^6.1.0"
 
 process-nextick-args@~1.0.6:
   version "1.0.7"
@@ -1566,6 +1578,10 @@ scss-tokenizer@^0.2.3:
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
 
+semver@^6.3.0:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
+
 semver@~5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
@@ -1751,7 +1767,7 @@ stylus@^0.54.5:
     sax "0.5.x"
     source-map "0.1.x"
 
-supports-color@4.4.0, supports-color@^4.0.0, supports-color@^4.4.0:
+supports-color@4.4.0:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.4.0.tgz#883f7ddabc165142b2a61427f3352ded195d1a3e"
   dependencies:
@@ -1761,6 +1777,18 @@ supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
 
+supports-color@^5.3.0:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
+  dependencies:
+    has-flag "^3.0.0"
+
+supports-color@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-6.1.0.tgz#0764abc69c63d5ac842dd4867e8d025e880df8f3"
+  dependencies:
+    has-flag "^3.0.0"
+
 swap-case@^1.1.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/swap-case/-/swap-case-1.1.2.tgz#c39203a4587385fad3c850a0bd1bcafa081974e3"