diff --git a/demo/package.json b/demo/package.json
index 90bc8e8..1a5c37b 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -6,7 +6,7 @@
     "react": "^15.6.1",
     "react-calendar-icon": "^0.9.0",
     "react-dom": "^15.6.1",
-    "react-scripts": "1.0.11"
+    "react-scripts": "1.0.14"
   },
   "scripts": {
     "start": "react-scripts start",
diff --git a/demo/yarn.lock b/demo/yarn.lock
index 40ba552..c5d8ad0 100644
--- a/demo/yarn.lock
+++ b/demo/yarn.lock
@@ -906,9 +906,9 @@ babel-preset-jest@^20.0.3:
   dependencies:
     babel-plugin-jest-hoist "^20.0.3"
 
-babel-preset-react-app@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/babel-preset-react-app/-/babel-preset-react-app-3.0.2.tgz#d062fca5dce68ed9c2615f2fecbc08861720f8e5"
+babel-preset-react-app@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/babel-preset-react-app/-/babel-preset-react-app-3.0.3.tgz#5716d6a8c7354db0cc2707207ab6ceb3b2e0a825"
   dependencies:
     babel-plugin-dynamic-import-node "1.0.2"
     babel-plugin-syntax-dynamic-import "6.18.0"
@@ -946,14 +946,7 @@ babel-register@^6.24.1, babel-register@^6.26.0:
     mkdirp "^0.5.1"
     source-map-support "^0.4.15"
 
-babel-runtime@6.23.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.23.0.tgz#0a9489f144de70efb3ce4300accdb329e2fc543b"
-  dependencies:
-    core-js "^2.4.0"
-    regenerator-runtime "^0.10.0"
-
-babel-runtime@^6.18.0, babel-runtime@^6.22.0, babel-runtime@^6.26.0:
+babel-runtime@6.26.0, babel-runtime@^6.18.0, babel-runtime@^6.22.0, babel-runtime@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
   dependencies:
@@ -1797,6 +1790,13 @@ deep-is@~0.1.3:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
 
+default-gateway@^2.2.2:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/default-gateway/-/default-gateway-2.6.1.tgz#d337764dbd40c327532606c858f9a3c05cc456df"
+  dependencies:
+    execa "^0.8.0"
+    ip-regex "^2.1.0"
+
 default-require-extensions@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/default-require-extensions/-/default-require-extensions-1.0.0.tgz#f37ea15d3e13ffd9b437d33e1a75b5fb97874cb8"
@@ -2161,9 +2161,9 @@ escope@^3.6.0:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
-eslint-config-react-app@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/eslint-config-react-app/-/eslint-config-react-app-2.0.0.tgz#8a5fb357c028336578c37a4bd2fc72b1817717cf"
+eslint-config-react-app@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/eslint-config-react-app/-/eslint-config-react-app-2.0.1.tgz#fd0503da01ae608f0c6ae8861de084975142230e"
 
 eslint-import-resolver-node@^0.3.1:
   version "0.3.1"
@@ -2367,6 +2367,18 @@ execa@^0.7.0:
     signal-exit "^3.0.0"
     strip-eof "^1.0.0"
 
+execa@^0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/execa/-/execa-0.8.0.tgz#d8d76bbc1b55217ed190fd6dd49d3c774ecfc8da"
+  dependencies:
+    cross-spawn "^5.0.1"
+    get-stream "^3.0.0"
+    is-stream "^1.1.0"
+    npm-run-path "^2.0.0"
+    p-finally "^1.0.0"
+    signal-exit "^3.0.0"
+    strip-eof "^1.0.0"
+
 expand-brackets@^0.1.4:
   version "0.1.5"
   resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-0.1.5.tgz#df07284e342a807cd733ac5af72411e581d1177b"
@@ -2485,6 +2497,18 @@ fb-watchman@^2.0.0:
   dependencies:
     bser "^2.0.0"
 
+fbjs@^0.8.16:
+  version "0.8.16"
+  resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.16.tgz#5e67432f550dc41b572bf55847b8aca64e5337db"
+  dependencies:
+    core-js "^1.0.0"
+    isomorphic-fetch "^2.1.1"
+    loose-envify "^1.0.0"
+    object-assign "^4.1.0"
+    promise "^7.1.1"
+    setimmediate "^1.0.5"
+    ua-parser-js "^0.7.9"
+
 fbjs@^0.8.5, fbjs@^0.8.9:
   version "0.8.14"
   resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.14.tgz#d1dbe2be254c35a91e09f31f9cd50a40b2a0ed1c"
@@ -3125,11 +3149,12 @@ inquirer@^3.0.6:
     strip-ansi "^4.0.0"
     through "^2.3.6"
 
-internal-ip@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/internal-ip/-/internal-ip-1.2.0.tgz#ae9fbf93b984878785d50a8de1b356956058cf5c"
+internal-ip@^2.0.2:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/internal-ip/-/internal-ip-2.0.3.tgz#ed3cf9b671ac7ff23037bfacad42eb439cd9546c"
   dependencies:
-    meow "^3.3.0"
+    default-gateway "^2.2.2"
+    ipaddr.js "^1.5.2"
 
 interpret@^1.0.0:
   version "1.0.3"
@@ -3145,6 +3170,10 @@ invert-kv@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-1.0.0.tgz#104a8e4aaca6d3d8cd157a8ef8bfab2d7a3ffdb6"
 
+ip-regex@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/ip-regex/-/ip-regex-2.1.0.tgz#fa78bf5d2e6913c911ce9f819ee5146bb6d844e9"
+
 ip@^1.1.0, ip@^1.1.5:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/ip/-/ip-1.1.5.tgz#bdded70114290828c0a039e72ef25f5aaec4354a"
@@ -3153,6 +3182,10 @@ ipaddr.js@1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.4.0.tgz#296aca878a821816e5b85d0a285a99bcff4582f0"
 
+ipaddr.js@^1.5.2:
+  version "1.5.3"
+  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.5.3.tgz#ec68539dd70ff0990c3195ab7ec43124a83df589"
+
 is-absolute-url@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/is-absolute-url/-/is-absolute-url-2.1.0.tgz#50530dfb84fcc9aa7dbe7852e83a37b93b9f2aa6"
@@ -4010,7 +4043,7 @@ memory-fs@^0.4.0, memory-fs@~0.4.1:
     errno "^0.1.3"
     readable-stream "^2.0.1"
 
-meow@^3.3.0, meow@^3.7.0:
+meow@^3.7.0:
   version "3.7.0"
   resolved "https://registry.yarnpkg.com/meow/-/meow-3.7.0.tgz#72cb668b425228290abbfa856892587308a801fb"
   dependencies:
@@ -4352,14 +4385,7 @@ onetime@^2.0.0:
   dependencies:
     mimic-fn "^1.0.0"
 
-opn@4.0.2:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/opn/-/opn-4.0.2.tgz#7abc22e644dff63b0a96d5ab7f2790c0f01abc95"
-  dependencies:
-    object-assign "^4.0.1"
-    pinkie-promise "^2.0.0"
-
-opn@5.1.0:
+opn@5.1.0, opn@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/opn/-/opn-5.1.0.tgz#72ce2306a17dbea58ff1041853352b4a8fc77519"
   dependencies:
@@ -4955,6 +4981,14 @@ prop-types@^15.5.10, prop-types@^15.5.4:
     fbjs "^0.8.9"
     loose-envify "^1.3.1"
 
+prop-types@^15.6.0:
+  version "15.6.0"
+  resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.6.0.tgz#ceaf083022fc46b4a35f69e13ef75aed0d639856"
+  dependencies:
+    fbjs "^0.8.16"
+    loose-envify "^1.3.1"
+    object-assign "^4.1.1"
+
 proxy-addr@~1.1.5:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-1.1.5.tgz#71c0ee3b102de3f202f3b64f608d173fcba1a918"
@@ -5058,12 +5092,11 @@ react-calendar-icon@^0.9.0:
     react-dom "^15.6.1"
     styled-components "^2.1.2"
 
-react-dev-utils@^3.1.0:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/react-dev-utils/-/react-dev-utils-3.1.1.tgz#09ae7209a81384248db56547e718e65bd3b20eb5"
+react-dev-utils@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/react-dev-utils/-/react-dev-utils-4.1.0.tgz#f6f436febd3f4eeb538490319b51c875c1e35bc5"
   dependencies:
     address "1.0.2"
-    anser "1.4.1"
     babel-code-frame "6.22.0"
     chalk "1.1.3"
     cross-spawn "5.1.0"
@@ -5072,16 +5105,25 @@ react-dev-utils@^3.1.0:
     filesize "3.5.10"
     global-modules "1.0.0"
     gzip-size "3.0.0"
-    html-entities "1.2.1"
     inquirer "3.2.1"
     is-root "1.0.0"
     opn "5.1.0"
+    react-error-overlay "^2.0.2"
     recursive-readdir "2.2.1"
     shell-quote "1.6.1"
     sockjs-client "1.1.4"
     strip-ansi "3.0.1"
     text-table "0.2.0"
 
+"react-dom@^15 || ^16":
+  version "16.0.0"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.0.0.tgz#9cc3079c3dcd70d4c6e01b84aab2a7e34c303f58"
+  dependencies:
+    fbjs "^0.8.16"
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+    prop-types "^15.6.0"
+
 react-dom@^15.6.1:
   version "15.6.1"
   resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-15.6.1.tgz#2cb0ed4191038e53c209eb3a79a23e2a4cf99470"
@@ -5091,34 +5133,36 @@ react-dom@^15.6.1:
     object-assign "^4.1.0"
     prop-types "^15.5.10"
 
-react-error-overlay@^1.0.10:
-  version "1.0.10"
-  resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-1.0.10.tgz#da8cd1eafac41afdca2a33792b23694ef6c528f1"
+react-error-overlay@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-2.0.2.tgz#967b091962b17f5aeb4a60b1311b1736e1b6533d"
   dependencies:
     anser "1.4.1"
     babel-code-frame "6.22.0"
-    babel-runtime "6.23.0"
-    react-dev-utils "^3.1.0"
+    babel-runtime "6.26.0"
+    html-entities "1.2.1"
+    react "^15 || ^16"
+    react-dom "^15 || ^16"
     settle-promise "1.0.0"
     source-map "0.5.6"
 
-react-scripts@1.0.11:
-  version "1.0.11"
-  resolved "https://registry.yarnpkg.com/react-scripts/-/react-scripts-1.0.11.tgz#483d49e27f417ec981ae415a4456120a2a2bc8c1"
+react-scripts@1.0.14:
+  version "1.0.14"
+  resolved "https://registry.yarnpkg.com/react-scripts/-/react-scripts-1.0.14.tgz#70fe76c9beb67b136b953e875bdfe4ad78d410d1"
   dependencies:
     autoprefixer "7.1.2"
     babel-core "6.25.0"
     babel-eslint "7.2.3"
     babel-jest "20.0.3"
     babel-loader "7.1.1"
-    babel-preset-react-app "^3.0.2"
-    babel-runtime "6.23.0"
+    babel-preset-react-app "^3.0.3"
+    babel-runtime "6.26.0"
     case-sensitive-paths-webpack-plugin "2.1.1"
     chalk "1.1.3"
     css-loader "0.28.4"
     dotenv "4.0.0"
     eslint "4.4.1"
-    eslint-config-react-app "^2.0.0"
+    eslint-config-react-app "^2.0.1"
     eslint-loader "1.9.0"
     eslint-plugin-flowtype "2.35.0"
     eslint-plugin-import "2.7.0"
@@ -5133,18 +5177,26 @@ react-scripts@1.0.11:
     postcss-flexbugs-fixes "3.2.0"
     postcss-loader "2.0.6"
     promise "8.0.1"
-    react-dev-utils "^3.1.0"
-    react-error-overlay "^1.0.10"
+    react-dev-utils "^4.1.0"
     style-loader "0.18.2"
     sw-precache-webpack-plugin "0.11.4"
     url-loader "0.5.9"
     webpack "3.5.1"
-    webpack-dev-server "2.7.1"
+    webpack-dev-server "2.8.2"
     webpack-manifest-plugin "1.2.1"
     whatwg-fetch "2.0.3"
   optionalDependencies:
     fsevents "1.1.2"
 
+"react@^15 || ^16":
+  version "16.0.0"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.0.0.tgz#ce7df8f1941b036f02b2cca9dbd0cb1f0e855e2d"
+  dependencies:
+    fbjs "^0.8.16"
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+    prop-types "^15.6.0"
+
 react@^15.6.1:
   version "15.6.1"
   resolved "https://registry.yarnpkg.com/react/-/react-15.6.1.tgz#baa8434ec6780bde997cdc380b79cd33b96393df"
@@ -5253,10 +5305,6 @@ regenerate@^1.2.1:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.3.2.tgz#d1941c67bad437e1be76433add5b385f95b19260"
 
-regenerator-runtime@^0.10.0:
-  version "0.10.5"
-  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz#336c3efc1220adcedda2c9fab67b5a7955a33658"
-
 regenerator-runtime@^0.11.0:
   version "0.11.0"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.0.tgz#7e54fe5b5ccd5d6624ea6255c3473be090b802e1"
@@ -5862,7 +5910,7 @@ 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@^3.1.1, supports-color@^3.1.2, supports-color@^3.2.3:
+supports-color@^3.1.2, supports-color@^3.2.3:
   version "3.2.3"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-3.2.3.tgz#65ac0504b3954171d8a64946b2ae3cbb8a5f54f6"
   dependencies:
@@ -6289,11 +6337,12 @@ webpack-dev-middleware@^1.11.0:
     range-parser "^1.0.3"
     time-stamp "^2.0.0"
 
-webpack-dev-server@2.7.1:
-  version "2.7.1"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-2.7.1.tgz#21580f5a08cd065c71144cf6f61c345bca59a8b8"
+webpack-dev-server@2.8.2:
+  version "2.8.2"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-2.8.2.tgz#abd61f410778cc4c843d7cebbf41465b1ab7734c"
   dependencies:
     ansi-html "0.0.7"
+    array-includes "^3.0.3"
     bonjour "^3.5.0"
     chokidar "^1.6.0"
     compression "^1.5.2"
@@ -6302,20 +6351,20 @@ webpack-dev-server@2.7.1:
     express "^4.13.3"
     html-entities "^1.2.0"
     http-proxy-middleware "~0.17.4"
-    internal-ip "^1.2.0"
+    internal-ip "^2.0.2"
     ip "^1.1.5"
     loglevel "^1.4.1"
-    opn "4.0.2"
+    opn "^5.1.0"
     portfinder "^1.0.9"
     selfsigned "^1.9.1"
     serve-index "^1.7.2"
     sockjs "0.3.18"
     sockjs-client "1.1.4"
     spdy "^3.4.1"
-    strip-ansi "^3.0.0"
-    supports-color "^3.1.1"
+    strip-ansi "^3.0.1"
+    supports-color "^4.2.1"
     webpack-dev-middleware "^1.11.0"
-    yargs "^6.0.0"
+    yargs "^6.6.0"
 
 webpack-manifest-plugin@1.2.1:
   version "1.2.1"
@@ -6507,7 +6556,7 @@ yargs-parser@^7.0.0:
   dependencies:
     camelcase "^4.1.0"
 
-yargs@^6.0.0:
+yargs@^6.6.0:
   version "6.6.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-6.6.0.tgz#782ec21ef403345f830a808ca3d513af56065208"
   dependencies: