diff --git a/package-lock.json b/package-lock.json
index 48663a6..fea4143 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -98,7 +98,7 @@
       "dependencies": {
         "source-map": {
           "version": "0.5.6",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.5.6.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.6.tgz",
           "integrity": "sha1-dc449SvwczxafwwRjYEzSiu19BI=",
           "dev": true
         },
@@ -433,7 +433,7 @@
         },
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         },
@@ -459,7 +459,7 @@
         },
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         },
@@ -858,7 +858,7 @@
     },
     "@types/node": {
       "version": "8.9.5",
-      "resolved": "http://registry.npmjs.org/@types/node/-/node-8.9.5.tgz",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-8.9.5.tgz",
       "integrity": "sha512-jRHfWsvyMtXdbhnz5CVHxaBgnV6duZnPlQuRSo/dm/GnmikNcmZhxIES4E9OZjUmQ8C+HCl4KJux+cXN/ErGDQ==",
       "dev": true
     },
@@ -1377,7 +1377,7 @@
         },
         "util": {
           "version": "0.10.3",
-          "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
           "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
           "dev": true,
           "requires": {
@@ -1400,7 +1400,7 @@
     },
     "async": {
       "version": "1.5.2",
-      "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
       "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
       "dev": true
     },
@@ -1480,7 +1480,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -1731,7 +1731,7 @@
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         }
@@ -1911,14 +1911,36 @@
       }
     },
     "browserslist": {
-      "version": "4.3.6",
-      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.3.6.tgz",
-      "integrity": "sha512-kMGKs4BTzRWviZ8yru18xBpx+CyHG9eqgRbj9XbE3IMgtczf4aiA0Y1YCpVdvUieKGZ03kolSPXqTcscBCb9qw==",
+      "version": "4.16.6",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.16.6.tgz",
+      "integrity": "sha512-Wspk/PqO+4W9qp5iUTJsa1B/QrYn1keNCcEP5OvP7WBwT4KaDly0uONYmC6Xa3Z5IqnUgS0KcgLYu1l74x0ZXQ==",
       "dev": true,
       "requires": {
-        "caniuse-lite": "^1.0.30000921",
-        "electron-to-chromium": "^1.3.92",
-        "node-releases": "^1.1.1"
+        "caniuse-lite": "^1.0.30001219",
+        "colorette": "^1.2.2",
+        "electron-to-chromium": "^1.3.723",
+        "escalade": "^3.1.1",
+        "node-releases": "^1.1.71"
+      },
+      "dependencies": {
+        "caniuse-lite": {
+          "version": "1.0.30001228",
+          "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001228.tgz",
+          "integrity": "sha512-QQmLOGJ3DEgokHbMSA8cj2a+geXqmnpyOFT0lhQV6P3/YOJvGDEwoedcwxEQ30gJIwIIunHIicunJ2rzK5gB2A==",
+          "dev": true
+        },
+        "electron-to-chromium": {
+          "version": "1.3.736",
+          "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.736.tgz",
+          "integrity": "sha512-DY8dA7gR51MSo66DqitEQoUMQ0Z+A2DSXFi7tK304bdTVqczCAfUuyQw6Wdg8hIoo5zIxkU1L24RQtUce1Ioig==",
+          "dev": true
+        },
+        "node-releases": {
+          "version": "1.1.72",
+          "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.72.tgz",
+          "integrity": "sha512-LLUo+PpH3dU6XizX3iVoubUNheF/owjXCZZ5yACDxNnPtgFuludV1ZL3ayK1kVep42Rmm0+R9/Y60NQbZ2bifw==",
+          "dev": true
+        }
       }
     },
     "browserstack": {
@@ -2007,7 +2029,7 @@
     },
     "cacache": {
       "version": "10.0.4",
-      "resolved": "http://registry.npmjs.org/cacache/-/cacache-10.0.4.tgz",
+      "resolved": "https://registry.npmjs.org/cacache/-/cacache-10.0.4.tgz",
       "integrity": "sha512-Dph0MzuH+rTQzGPNT9fAnrPmMmjKfST6trxJeK7NQuHRaVw24VzPRWTmg9MpcwOVQZO0E1FBICUlFeNaKPIfHA==",
       "dev": true,
       "requires": {
@@ -2303,6 +2325,12 @@
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
       "dev": true
     },
+    "colorette": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.2.2.tgz",
+      "integrity": "sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==",
+      "dev": true
+    },
     "colors": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/colors/-/colors-1.1.2.tgz",
@@ -2831,7 +2859,7 @@
       "dependencies": {
         "globby": {
           "version": "6.1.0",
-          "resolved": "http://registry.npmjs.org/globby/-/globby-6.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/globby/-/globby-6.1.0.tgz",
           "integrity": "sha1-9abXDoOV4hyFj7BInWTfAkJNUGw=",
           "dev": true,
           "requires": {
@@ -2844,7 +2872,7 @@
           "dependencies": {
             "pify": {
               "version": "2.3.0",
-              "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+              "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
               "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
               "dev": true
             }
@@ -3013,12 +3041,6 @@
       "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=",
       "dev": true
     },
-    "electron-to-chromium": {
-      "version": "1.3.95",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.95.tgz",
-      "integrity": "sha512-0JZEDKOQAE05EO/4rk3vLAE+PYFI9OLCVLAS4QAq1y+Bb2y1N6MyQJz62ynzHN/y0Ka/nO5jVJcahbCEdfiXLQ==",
-      "dev": true
-    },
     "elliptic": {
       "version": "6.4.1",
       "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.1.tgz",
@@ -3188,6 +3210,12 @@
         "es6-promise": "^4.0.3"
       }
     },
+    "escalade": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
+      "integrity": "sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==",
+      "dev": true
+    },
     "escape-html": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
@@ -3215,7 +3243,7 @@
       "dependencies": {
         "source-map": {
           "version": "0.2.0",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.2.0.tgz",
           "integrity": "sha1-2rc/vPwrqBm03gO9b26qSBZLP50=",
           "dev": true,
           "optional": true,
@@ -3527,7 +3555,7 @@
       "dependencies": {
         "array-flatten": {
           "version": "1.1.1",
-          "resolved": "http://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
           "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=",
           "dev": true
         }
@@ -3752,7 +3780,7 @@
     },
     "finalhandler": {
       "version": "1.1.1",
-      "resolved": "http://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
       "integrity": "sha512-Y1GUDo39ez4aHAw7MysnUD5JzYX+WaIj8I57kO3aEPT1fFRL4sr7mjei97FgnwhAyyzRYmQZaTHb2+9uZ1dPtg==",
       "dev": true,
       "requires": {
@@ -3860,7 +3888,7 @@
       "dependencies": {
         "combined-stream": {
           "version": "1.0.6",
-          "resolved": "http://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
+          "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
           "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
           "dev": true,
           "requires": {
@@ -4545,7 +4573,7 @@
     },
     "get-stream": {
       "version": "3.0.0",
-      "resolved": "http://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
       "integrity": "sha1-jpQ9E1jcN1VQVOy+LtsFqhdO3hQ=",
       "dev": true
     },
@@ -5284,7 +5312,7 @@
     },
     "is-accessor-descriptor": {
       "version": "0.1.6",
-      "resolved": "http://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
+      "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
       "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
       "dev": true,
       "requires": {
@@ -5334,7 +5362,7 @@
     },
     "is-data-descriptor": {
       "version": "0.1.4",
-      "resolved": "http://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
+      "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
       "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
       "dev": true,
       "requires": {
@@ -5890,7 +5918,7 @@
     },
     "jsesc": {
       "version": "1.3.0",
-      "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz",
       "integrity": "sha1-RsP+yMGJKxKwgz25vHYiF226s0s=",
       "dev": true
     },
@@ -5969,7 +5997,7 @@
         },
         "es6-promise": {
           "version": "3.0.2",
-          "resolved": "http://registry.npmjs.org/es6-promise/-/es6-promise-3.0.2.tgz",
+          "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-3.0.2.tgz",
           "integrity": "sha1-AQ1YWEI6XxGJeWZfRkhqlcbuK7Y=",
           "dev": true
         },
@@ -6197,7 +6225,7 @@
       "dependencies": {
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true,
           "optional": true
@@ -6535,7 +6563,7 @@
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true,
           "optional": true
@@ -6875,7 +6903,7 @@
       "dependencies": {
         "semver": {
           "version": "5.3.0",
-          "resolved": "http://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
           "integrity": "sha1-myzl094C0XxgEq0yaqa00M9U+U8=",
           "dev": true,
           "optional": true
@@ -6921,15 +6949,6 @@
         }
       }
     },
-    "node-releases": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.2.tgz",
-      "integrity": "sha512-j1gEV/zX821yxdWp/1vBMN0pSUjuH9oGUdLCb4PfUko6ZW7KdRs3Z+QGGwDUhYtSpQvdVVyLd2V0YvLsmdg5jQ==",
-      "dev": true,
-      "requires": {
-        "semver": "^5.3.0"
-      }
-    },
     "node-sass": {
       "version": "4.10.0",
       "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.10.0.tgz",
@@ -6967,7 +6986,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "optional": true,
@@ -7308,7 +7327,7 @@
     },
     "os-locale": {
       "version": "1.4.0",
-      "resolved": "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
       "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
       "dev": true,
       "optional": true,
@@ -7895,7 +7914,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -7937,7 +7956,7 @@
         },
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         },
@@ -8161,7 +8180,7 @@
       "dependencies": {
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         }
@@ -8193,7 +8212,7 @@
         },
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true,
           "optional": true
@@ -8432,7 +8451,7 @@
     },
     "resolve": {
       "version": "1.1.7",
-      "resolved": "http://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
+      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
       "integrity": "sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=",
       "dev": true
     },
@@ -8589,7 +8608,7 @@
     },
     "sax": {
       "version": "0.5.8",
-      "resolved": "http://registry.npmjs.org/sax/-/sax-0.5.8.tgz",
+      "resolved": "https://registry.npmjs.org/sax/-/sax-0.5.8.tgz",
       "integrity": "sha1-1HLbIo6zMcJQaw6MFVJK25OdEsE=",
       "dev": true
     },
@@ -8617,7 +8636,7 @@
       "dependencies": {
         "source-map": {
           "version": "0.4.4",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
           "integrity": "sha1-66T12pwNyZneaAMti092FzZSA2s=",
           "dev": true,
           "optional": true,
@@ -9437,7 +9456,7 @@
     },
     "string-width": {
       "version": "1.0.2",
-      "resolved": "http://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
       "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
       "dev": true,
       "requires": {
@@ -9448,7 +9467,7 @@
     },
     "string_decoder": {
       "version": "1.1.1",
-      "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
       "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
       "dev": true,
       "requires": {
@@ -9457,7 +9476,7 @@
     },
     "strip-ansi": {
       "version": "3.0.1",
-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "dev": true,
       "requires": {
@@ -9530,7 +9549,7 @@
         },
         "source-map": {
           "version": "0.1.43",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
           "integrity": "sha1-wkvBRspRfBRx9drL4lcbK3+eM0Y=",
           "dev": true,
           "requires": {
@@ -9573,7 +9592,7 @@
     },
     "tar": {
       "version": "2.2.1",
-      "resolved": "http://registry.npmjs.org/tar/-/tar-2.2.1.tgz",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.1.tgz",
       "integrity": "sha1-jk0qJWwOIYXGsYrWlK7JaLg8sdE=",
       "dev": true,
       "optional": true,
@@ -9918,7 +9937,7 @@
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         }
@@ -10440,7 +10459,7 @@
         },
         "source-map": {
           "version": "0.4.4",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
           "integrity": "sha1-66T12pwNyZneaAMti092FzZSA2s=",
           "dev": true,
           "requires": {