diff --git a/package-lock.json b/package-lock.json
index 77a9167..0b25115 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1435,6 +1435,8 @@
     },
     "@testing-library/react": {
       "version": "9.1.4",
+      "resolved": "https://registry.npmjs.org/@testing-library/react/-/react-9.1.4.tgz",
+      "integrity": "sha512-fQ/PXZoLcmnS1W5ZiM3P7XBy2x6Hm9cJAT/ZDuZKzJ1fS1rN3j31p7ReAqUe3N1kJ46sNot0n1oiGbz7FPU+FA==",
       "dev": true,
       "requires": {
         "@babel/runtime": "^7.5.5",
@@ -1800,11 +1802,20 @@
       "resolved": "https://registry.npmjs.org/@xstate/graph/-/graph-1.0.0-rc1.1.tgz",
       "integrity": "sha512-ywxKr3jWECMZ+Y1kJI9PNB5HzHmAAb1NWgQFmnN/q9F3UgepNlALOI1SjP+Q3ZyDSMl6NrvPSS4e9zIkbPAJqg=="
     },
+    "@xstate/inspect": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/@xstate/inspect/-/inspect-0.1.0.tgz",
+      "integrity": "sha512-IYbIXCHgIWyQ4+SmiSsX+hXtk75r8hxYvZKm4UEGI2Cs3NqCitKBxRDFsXQyyn+I3ENj3NHRc2TEz9XPNx5l2A=="
+    },
     "@xstate/react": {
-      "version": "0.7.1"
+      "version": "0.7.1",
+      "resolved": "https://registry.npmjs.org/@xstate/react/-/react-0.7.1.tgz",
+      "integrity": "sha512-6LKbMCWPtLfKL7Ph8E781qoKmypSPGS5e7e+LkTK/nhRpFcj6n3MfCl96mNWsdYMr7tb8ISQDZcxI+Ou0BpurQ=="
     },
     "@xstate/test": {
       "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/@xstate/test/-/test-0.1.0.tgz",
+      "integrity": "sha512-6RT1jfEU8v5o5fa4nmNVX19KCRcB0YZo8qboy8LWMoy4Rpp6Noyu4LjLUnCtiPCBbFdf5RK3dieWb+5pqxjfGQ==",
       "requires": {
         "@xstate/graph": "^1.0.0-rc1.1",
         "chalk": "^2.4.2"
@@ -3034,6 +3045,8 @@
     },
     "chai": {
       "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-4.2.0.tgz",
+      "integrity": "sha512-XQU3bhBukrOsQCuwZndwGcCVQHyZi53fQ6Ys1Fym7E4olpIqqZZhhoFJoaKVvV17lWQoXYwgWN2nF5crA8J2jw==",
       "requires": {
         "assertion-error": "^1.1.0",
         "check-error": "^1.0.2",
@@ -5393,6 +5406,14 @@
         "estraverse": "^4.1.1"
       }
     },
+    "eslint-utils": {
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.4.3.tgz",
+      "integrity": "sha512-fbBN5W2xdY45KulGXmLHZ3c3FHfVYmKg0IrAKGOkT/464PQsx2UeIzfz1RmEci+KLm1bBaAzZAh8+/E+XAeZ8Q==",
+      "requires": {
+        "eslint-visitor-keys": "^1.1.0"
+      }
+    },
     "eslint-visitor-keys": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.1.0.tgz",
@@ -6214,6 +6235,8 @@
     },
     "gh-pages": {
       "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/gh-pages/-/gh-pages-2.1.1.tgz",
+      "integrity": "sha512-yNW2SFp9xGRP/8Sk2WXuLI/Gn92oOL4HBgudn6PsqAnuWT90Y1tozJoTfX1WdrDSW5Rb90kLVOf5mm9KJ/2fDw==",
       "dev": true,
       "requires": {
         "async": "^2.6.1",
@@ -6333,20 +6356,31 @@
       "integrity": "sha512-d4sze1JNC454Wdo2fkuyzCr6aHcbL6PGGuFAz0Li/NcOm1tCHGnWDRmJP85dh9IhQErTc2svWFEX5xHIOo//kQ=="
     },
     "handlebars": {
-      "version": "4.5.2",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.5.2.tgz",
-      "integrity": "sha512-29Zxv/cynYB7mkT1rVWQnV7mGX6v7H/miQ6dbEpYTKq5eJBN7PsRB+ViYJlcT6JINTSu4dVB9kOqEun78h6Exg==",
+      "version": "4.7.6",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.6.tgz",
+      "integrity": "sha512-1f2BACcBfiwAfStCKZNrUCgqNZkGsAT7UM3kkYtXuLo0KnaVfjKOyf7PRzB6++aK9STyT1Pd2ZCPe3EGOXleXA==",
       "requires": {
+        "minimist": "^1.2.5",
         "neo-async": "^2.6.0",
-        "optimist": "^0.6.1",
         "source-map": "^0.6.1",
-        "uglify-js": "^3.1.4"
+        "uglify-js": "^3.1.4",
+        "wordwrap": "^1.0.0"
       },
       "dependencies": {
+        "minimist": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
+        },
         "source-map": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
           "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
+        },
+        "wordwrap": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+          "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus="
         }
       }
     },
@@ -8533,6 +8567,11 @@
         "path-exists": "^3.0.0"
       }
     },
+    "lodash": {
+      "version": "4.17.20",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
+      "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA=="
+    },
     "lodash._reinterpolate": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz",
@@ -9405,22 +9444,6 @@
         "is-wsl": "^1.1.0"
       }
     },
-    "optimist": {
-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
-      "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
-      "requires": {
-        "minimist": "~0.0.1",
-        "wordwrap": "~0.0.2"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "0.0.10",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
-          "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8="
-        }
-      }
-    },
     "optimize-css-assets-webpack-plugin": {
       "version": "5.0.3",
       "resolved": "https://registry.npmjs.org/optimize-css-assets-webpack-plugin/-/optimize-css-assets-webpack-plugin-5.0.3.tgz",
@@ -10898,6 +10921,8 @@
     },
     "react": {
       "version": "16.9.0",
+      "resolved": "https://registry.npmjs.org/react/-/react-16.9.0.tgz",
+      "integrity": "sha512-+7LQnFBwkiw+BobzOF6N//BdoNw0ouwmSJTEm9cglOOmsg/TMiFHZLe2sEoN5M7LgJTj9oHH0gxklfnQe66S1w==",
       "requires": {
         "loose-envify": "^1.1.0",
         "object-assign": "^4.1.1",
@@ -11020,6 +11045,8 @@
     },
     "react-dom": {
       "version": "16.9.0",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-16.9.0.tgz",
+      "integrity": "sha512-YFT2rxO9hM70ewk9jq0y6sQk8cL02xm4+IzYBz75CQGlClQQ1Bxq0nhHF6OtSbit+AIahujJgb/CPRibFkMNJQ==",
       "requires": {
         "loose-envify": "^1.1.0",
         "object-assign": "^4.1.1",
@@ -11039,6 +11066,8 @@
     },
     "react-scripts": {
       "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/react-scripts/-/react-scripts-3.1.1.tgz",
+      "integrity": "sha512-dbjTG9vJC61OI62hIswQYg5xHvwlxDTH6QXz6ICEuA5AqkFQWk1LKl76sk8fVL2WsyumbBc4FErALwKcEV2vNA==",
       "requires": {
         "@babel/core": "7.5.5",
         "@svgr/webpack": "4.3.2",
@@ -11582,6 +11611,14 @@
         "aproba": "^1.1.1"
       }
     },
+    "rxjs": {
+      "version": "6.6.3",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.6.3.tgz",
+      "integrity": "sha512-trsQc+xYYXZ3urjOiJOuCOa5N3jAZ3eiSpQB5hIT8zGlL2QfnHLJ2r7GMkBGuIausdJN1OneaI6gQlsqNHHmZQ==",
+      "requires": {
+        "tslib": "^1.9.0"
+      }
+    },
     "safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
@@ -12611,6 +12648,8 @@
     },
     "styled-components": {
       "version": "4.3.2",
+      "resolved": "https://registry.npmjs.org/styled-components/-/styled-components-4.3.2.tgz",
+      "integrity": "sha512-NppHzIFavZ3TsIU3R1omtddJ0Bv1+j50AKh3ZWyXHuFvJq1I8qkQ5mZ7uQgD89Y8zJNx2qRo6RqAH1BmoVafHw==",
       "requires": {
         "@babel/helper-module-imports": "^7.0.0",
         "@babel/traverse": "^7.0.0",
@@ -13353,7 +13392,9 @@
       }
     },
     "webfontloader": {
-      "version": "1.6.28"
+      "version": "1.6.28",
+      "resolved": "https://registry.npmjs.org/webfontloader/-/webfontloader-1.6.28.tgz",
+      "integrity": "sha1-23hhKSU8tujq5UwvsF+HCvZnW64="
     },
     "webidl-conversions": {
       "version": "4.0.2",
@@ -13673,11 +13714,6 @@
       "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
       "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ=="
     },
-    "wordwrap": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
-    },
     "workbox-background-sync": {
       "version": "4.3.1",
       "resolved": "https://registry.npmjs.org/workbox-background-sync/-/workbox-background-sync-4.3.1.tgz",
@@ -13929,7 +13965,9 @@
       "integrity": "sha512-PHyM+sQouu7xspQQwELlGwwd05mXUFqwFYfqPO0cC7x4fxyHnnuetmQr6CjJiafIDoH4MogHb9dOoJzR/Y4rFg=="
     },
     "xstate": {
-      "version": "4.6.7"
+      "version": "4.13.0",
+      "resolved": "https://registry.npmjs.org/xstate/-/xstate-4.13.0.tgz",
+      "integrity": "sha512-UnUJJzP2KTPqnmxIoD/ymXtpy/hehZnUlO6EXqWC/72XkPb15p9Oz/X4WhS3QE+by7NP+6b5bCi/GTGFzm5D+A=="
     },
     "xtend": {
       "version": "4.0.2",
diff --git a/yarn.lock b/yarn.lock
index 7359041..527bc9f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2767,7 +2767,7 @@ commander@2.17.x:
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
   integrity sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg==
 
-commander@^2.11.0, commander@^2.18.0, commander@^2.20.0, commander@~2.20.0:
+commander@^2.11.0, commander@^2.18.0, commander@^2.20.0:
   version "2.20.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
   integrity sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==
@@ -4701,13 +4701,14 @@ handle-thing@^2.0.0:
   integrity sha512-d4sze1JNC454Wdo2fkuyzCr6aHcbL6PGGuFAz0Li/NcOm1tCHGnWDRmJP85dh9IhQErTc2svWFEX5xHIOo//kQ==
 
 handlebars@^4.1.2:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.2.0.tgz#57ce8d2175b9bbb3d8b3cf3e4217b1aec8ddcb2e"
-  integrity sha512-Kb4xn5Qh1cxAKvQnzNWZ512DhABzyFNmsaJf3OAkWNa4NkaqWcNI8Tao8Tasi0/F4JD9oyG0YxuFyvyR57d+Gw==
+  version "4.7.6"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.6.tgz#d4c05c1baf90e9945f77aa68a7a219aa4a7df74e"
+  integrity sha512-1f2BACcBfiwAfStCKZNrUCgqNZkGsAT7UM3kkYtXuLo0KnaVfjKOyf7PRzB6++aK9STyT1Pd2ZCPe3EGOXleXA==
   dependencies:
+    minimist "^1.2.5"
     neo-async "^2.6.0"
-    optimist "^0.6.1"
     source-map "^0.6.1"
+    wordwrap "^1.0.0"
   optionalDependencies:
     uglify-js "^3.1.4"
 
@@ -6567,15 +6568,10 @@ minimist@0.0.8:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
   integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
 
-minimist@^1.1.1, minimist@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
-  integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
-
-minimist@~0.0.1:
-  version "0.0.10"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
-  integrity sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=
+minimist@^1.1.1, minimist@^1.2.0, minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
 
 minipass@^2.2.1, minipass@^2.3.5:
   version "2.5.0"
@@ -6718,9 +6714,9 @@ negotiator@0.6.2:
   integrity sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
 
 neo-async@^2.5.0, neo-async@^2.6.0, neo-async@^2.6.1:
-  version "2.6.1"
-  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.1.tgz#ac27ada66167fa8849a6addd837f6b189ad2081c"
-  integrity sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw==
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.2.tgz#b4aafb93e3aeb2d8174ca53cf163ab7d7308305f"
+  integrity sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==
 
 next-tick@^1.0.0:
   version "1.0.0"
@@ -7075,14 +7071,6 @@ opn@^5.1.0:
   dependencies:
     is-wsl "^1.1.0"
 
-optimist@^0.6.1:
-  version "0.6.1"
-  resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
-  integrity sha1-2j6nRob6IaGaERwybpDrFaAZZoY=
-  dependencies:
-    minimist "~0.0.1"
-    wordwrap "~0.0.2"
-
 optimize-css-assets-webpack-plugin@5.0.3:
   version "5.0.3"
   resolved "https://registry.yarnpkg.com/optimize-css-assets-webpack-plugin/-/optimize-css-assets-webpack-plugin-5.0.3.tgz#e2f1d4d94ad8c0af8967ebd7cf138dcb1ef14572"
@@ -9940,12 +9928,9 @@ uglify-js@3.4.x:
     source-map "~0.6.1"
 
 uglify-js@^3.1.4:
-  version "3.6.0"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.6.0.tgz#704681345c53a8b2079fb6cec294b05ead242ff5"
-  integrity sha512-W+jrUHJr3DXKhrsS7NUVxn3zqMOFn0hL/Ei6v0anCIMoKC93TjcflTagwIHLW7SfMFfiQuktQyFVCFHGUE0+yg==
-  dependencies:
-    commander "~2.20.0"
-    source-map "~0.6.1"
+  version "3.10.4"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.10.4.tgz#dd680f5687bc0d7a93b14a3482d16db6eba2bfbb"
+  integrity sha512-kBFT3U4Dcj4/pJ52vfjCSfyLyvG9VYYuGYPmrPvAxRw/i7xHiT4VvCev+uiEMcEEiu6UNB6KgWmGtSUYIWScbw==
 
 unicode-canonical-property-names-ecmascript@^1.0.4:
   version "1.0.4"
@@ -10381,12 +10366,7 @@ wide-align@^1.1.0:
   dependencies:
     string-width "^1.0.2 || 2"
 
-wordwrap@~0.0.2:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
-  integrity sha1-o9XabNXAvAAI03I0u68b7WMFkQc=
-
-wordwrap@~1.0.0:
+wordwrap@^1.0.0, wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
   integrity sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=