diff --git a/dist/app.bundle.js b/dist/app.bundle.js
index ca88a95..351077f 100644
--- a/dist/app.bundle.js
+++ b/dist/app.bundle.js
@@ -30893,7 +30893,7 @@ if (process.env.NODE_ENV === 'production') {
 /***/ (function(module, exports, __webpack_require__) {
 
 "use strict";
-/** @license React v16.2.0
+/** @license React v16.2.1
  * react-dom.production.min.js
  *
  * Copyright (c) 2013-present, Facebook, Inc.
@@ -31121,7 +31121,7 @@ function Pg(a,b,c,d,e){Ng(c)?void 0:E("200");var f=c._reactRootContainer;if(f)Z.
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+Z.injectIntoDevTools({findFiberByHostInstance:pb,bundleType:0,version:"16.2.1",rendererPackageName:"react-dom"});var Tg=Object.freeze({default:Sg}),Ug=Tg&&Sg||Tg;module.exports=Ug["default"]?Ug["default"]:Ug;
 
 
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@@ -31185,7 +31185,7 @@ module.exports = isNode;
 /***/ (function(module, exports, __webpack_require__) {
 
 "use strict";
-/* WEBPACK VAR INJECTION */(function(process) {/** @license React v16.2.0
+/* WEBPACK VAR INJECTION */(function(process) {/** @license React v16.2.1
  * react-dom.development.js
  *
  * Copyright (c) 2013-present, Facebook, Inc.
@@ -42500,7 +42500,7 @@ implementation) {
 
 // TODO: this is special because it gets imported during build.
 
-var ReactVersion = '16.2.0';
+var ReactVersion = '16.2.1';
 
 // a requestAnimationFrame, storing the time for the start of the frame, then
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diff --git a/package-lock.json b/package-lock.json
index d26530e..aef231d 100644
--- a/package-lock.json
+++ b/package-lock.json
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         "inherits": "^2.0.1",
-        "minimalistic-assert": "^1.0.0"
+        "minimalistic-assert": "^1.0.0",
+        "safer-buffer": "^2.1.0"
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+        }
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-      "resolved": "https://registry.npmjs.org/assert/-/assert-1.4.1.tgz",
-      "integrity": "sha1-mZEtWRg2tab1s0XA8H7vwI/GXZE=",
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/assert/-/assert-1.5.0.tgz",
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       "dev": true,
       "requires": {
+        "object-assign": "^4.1.1",
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+      },
+      "dependencies": {
+        "inherits": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.1.tgz",
+          "integrity": "sha1-sX0I0ya0Qj5Wjv9xn5GwscvfafE=",
+          "dev": true
+        },
+        "util": {
+          "version": "0.10.3",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
+          "dev": true,
+          "requires": {
+            "inherits": "2.0.1"
+          }
+        }
       }
     },
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-      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.2.1.tgz",
-      "integrity": "sha512-dwVUVIXsBZXwTuwnXI9RK8sBmgq09NDHzyR9SAph9eqk76gKK2JSQmZARC2zRC81JC2QTtxD0ARU5qTS25gIGw==",
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.1.tgz",
+      "integrity": "sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g==",
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@@ -1550,16 +1577,10 @@
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-    "bluebird": {
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-      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
-      "integrity": "sha512-MKiLiV+I1AA596t9w1sQJ8jkiSr5+ZKi0WKrYGUn6d1Fx+Ij4tIj+m2WMQSGczs5jZVxV339chE8iwk6F64wjA==",
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-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
-      "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
+      "version": "5.1.3",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-5.1.3.tgz",
+      "integrity": "sha512-GkTiFpjFtUzU9CbMeJ5iazkCzGL3jrhzerzZIuqLABjbwRaFt33I9tUdSNryIptM+RxDet6OKm2WnLXzW51KsQ==",
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@@ -1747,9 +1768,9 @@
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-      "resolved": "https://registry.npmjs.org/browserify-aes/-/browserify-aes-1.1.1.tgz",
-      "integrity": "sha512-UGnTYAnB2a3YuYKIRy1/4FB2HdM866E0qC46JXvVTYKlBlZlnvfpSfY6OKfXZAkv70eJ2a1SqzpAo5CRhZGDFg==",
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz",
+      "integrity": "sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==",
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@@ -1761,9 +1782,9 @@
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-      "resolved": "https://registry.npmjs.org/browserify-cipher/-/browserify-cipher-1.0.0.tgz",
-      "integrity": "sha1-mYgkSHS/XtTijalWZtzWasj8Njo=",
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/browserify-cipher/-/browserify-cipher-1.0.1.tgz",
+      "integrity": "sha512-sPhkz0ARKbf4rRQt2hTpAHqn47X3llLkUGn+xEJzLjwY8LRs2p0v7ljvI5EyoRO/mexrNunNECisZs+gw2zz1w==",
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-      "resolved": "https://registry.npmjs.org/browserify-des/-/browserify-des-1.0.0.tgz",
-      "integrity": "sha1-2qJ3cXRwki7S/hhZQRihdUOXId0=",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/browserify-des/-/browserify-des-1.0.2.tgz",
+      "integrity": "sha512-BioO1xf3hFwz4kc6iBhI3ieDFompMhrMlnDFC4/0/vd5MokpuAc3R+LYbwTA9A5Yc9pq9UYPqffKpW2ObuwX5A==",
       "dev": true,
       "requires": {
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         "des.js": "^1.0.0",
-        "inherits": "^2.0.1"
+        "inherits": "^2.0.1",
+        "safe-buffer": "^5.1.2"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+          "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+          "dev": true
+        }
       }
     },
     "browserify-package-json": {
@@ -1795,21 +1825,65 @@
       "requires": {
         "bn.js": "^4.1.0",
         "randombytes": "^2.0.1"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.11.9",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
+          "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==",
+          "dev": true
+        }
       }
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     "browserify-sign": {
-      "version": "4.0.4",
-      "resolved": "https://registry.npmjs.org/browserify-sign/-/browserify-sign-4.0.4.tgz",
-      "integrity": "sha1-qk62jl17ZYuqa/alfmMMvXqT0pg=",
-      "dev": true,
-      "requires": {
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-        "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"
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/browserify-sign/-/browserify-sign-4.2.1.tgz",
+      "integrity": "sha512-/vrA5fguVAKKAVTNJjgSm1tRQDHUU6DbwO9IROu/0WAzC8PKhucDSh18J0RMvVeHAn5puMd+QHC2erPRNf8lmg==",
+      "dev": true,
+      "requires": {
+        "bn.js": "^5.1.1",
+        "browserify-rsa": "^4.0.1",
+        "create-hash": "^1.2.0",
+        "create-hmac": "^1.1.7",
+        "elliptic": "^6.5.3",
+        "inherits": "^2.0.4",
+        "parse-asn1": "^5.1.5",
+        "readable-stream": "^3.6.0",
+        "safe-buffer": "^5.2.0"
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+        "readable-stream": {
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+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
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+          "dev": true,
+          "requires": {
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+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
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+        "safe-buffer": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
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+          "dev": true
+        },
+        "string_decoder": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
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+          "dev": true,
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+          }
+        }
       }
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     "browserify-zlib": {
@@ -1892,9 +1966,9 @@
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-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz",
-      "integrity": "sha1-bRu2AbB6TvztlwlBMgkwJ8lbwpg=",
+      "version": "4.9.2",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-4.9.2.tgz",
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@@ -2006,9 +2080,9 @@
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-      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-1.2.1.tgz",
-      "integrity": "sha1-m7UwTS4LVmmLLHWLCKPqqdqlijk=",
+      "version": "5.3.1",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
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-      "integrity": "sha1-Ls3xRaujj1R0DybO/Q/z4D4SXWo=",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.2.3.tgz",
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       "dev": true,
       "requires": {
-        "source-map": "0.5.x"
+        "source-map": "~0.6.0"
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+      "dependencies": {
+        "source-map": {
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+        }
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-      "integrity": "sha1-S0dXYP+AJkx2LDoXGQMukcf+oNE=",
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-        "right-align": "^0.1.1",
-        "wordwrap": "0.0.2"
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+        "strip-ansi": "^5.2.0",
+        "wrap-ansi": "^5.1.0"
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+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
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+          "dev": true
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+        "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
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+        "string-width": {
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+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
+          "requires": {
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+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
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+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
+          "requires": {
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+        "wrap-ansi": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-5.1.0.tgz",
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+          "requires": {
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+            "string-width": "^3.0.0",
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+          "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
+          "dev": true
         }
       }
     },
     "yargs-parser": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-7.0.0.tgz",
-      "integrity": "sha1-jQrELxbqVd69MyyvTEA4s+P139k=",
+      "version": "13.1.2",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
+      "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==",
       "dev": true,
       "requires": {
-        "camelcase": "^4.1.0"
-      },
-      "dependencies": {
-        "camelcase": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
-          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
-          "dev": true
-        }
+        "camelcase": "^5.0.0",
+        "decamelize": "^1.2.0"
       }
     }
   }
diff --git a/package.json b/package.json
index 7b9d62e..31828cd 100644
--- a/package.json
+++ b/package.json
@@ -15,9 +15,12 @@
     "eslint-plugin-react": "^7.6.1",
     "extract-text-webpack-plugin": "^3.0.2",
     "file-loader": "^1.1.6",
-    "html-webpack-plugin": "^2.30.1",
-    "webpack": "^3.6.0",
-    "webpack-dev-server": "^3.1.11",
+    "html-webpack-plugin": "^3.2.0",
+    "webpack": "^3",
+    "webpack-cli": "^3.3.12",
+    "webpack-dev-server": "^3.1.11"
+  },
+  "optionalDependencies": {
     "fsevents": "^1.2.9"
   },
   "scripts": {