diff --git a/package-lock.json b/package-lock.json
index 3731ce5..7004629 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1198,6 +1198,7 @@
           "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
           "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
           "dev": true,
+          "optional": true,
           "requires": {
             "co": "^4.6.0",
             "fast-deep-equal": "^1.0.0",
@@ -1209,7 +1210,8 @@
               "version": "4.6.0",
               "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
               "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ=",
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },
@@ -1398,6 +1400,7 @@
               "resolved": "https://registry.npmjs.org/levn/-/levn-0.3.0.tgz",
               "integrity": "sha1-OwmSTt+fCDwEkP3UwLxEIeBHZO4=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "prelude-ls": "~1.1.2",
                 "type-check": "~0.3.2"
@@ -1532,7 +1535,8 @@
           "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
           "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "file-entry-cache": {
           "version": "2.0.0",
@@ -1635,7 +1639,8 @@
               "version": "4.0.8",
               "resolved": "https://registry.npmjs.org/rx-lite/-/rx-lite-4.0.8.tgz",
               "integrity": "sha1-Cx4Rr4vESDbwSmQH6S2kJGe3lEQ=",
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "rx-lite-aggregates": {
               "version": "4.0.8",
@@ -1667,7 +1672,8 @@
           "version": "0.3.1",
           "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz",
           "integrity": "sha1-NJptRMU6Ud6JtAgFxdXlm0F9M0A=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "regexpp": {
           "version": "1.1.0",
@@ -3619,6 +3625,11 @@
         }
       }
     },
+    "core-js": {
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.9.tgz",
+      "integrity": "sha512-HOpZf6eXmnl7la+cUdMnLvUxKNqLUzJvgIziQ0DiF3JwSImNphIqdGqzj6hIKyX04MmV0poclQ7+wjWvxQyR2A=="
+    },
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
@@ -5310,7 +5321,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -5331,12 +5343,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -5351,17 +5365,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -5478,7 +5495,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -5490,6 +5508,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -5504,6 +5523,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -5511,12 +5531,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -5535,6 +5557,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -5615,7 +5638,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -5627,6 +5651,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -5712,7 +5737,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -5748,6 +5774,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -5767,6 +5794,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -5810,12 +5838,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -10918,9 +10948,9 @@
       }
     },
     "url-parse": {
-      "version": "1.4.7",
-      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.4.7.tgz",
-      "integrity": "sha512-d3uaVyzDB9tQoSXFvuSUNFibTd9zxd2bkVrDRvF5TmvWWQwqE4lgYJ5m+x1DbecWkw+LK4RNl2CU1hHuOKPVlg==",
+      "version": "1.5.10",
+      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.5.10.tgz",
+      "integrity": "sha512-WypcfiRhfeUP9vvF0j6rw0J3hrWrw6iZv3+22h6iRMJ/8z1Tj6XfLP4DsUix5MhMPnXpiHDoKyoZ/bdCkwBCiQ==",
       "dev": true,
       "requires": {
         "querystringify": "^2.1.1",
diff --git a/yarn.lock b/yarn.lock
index 1ed1fee..80c5c09 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5650,8 +5650,8 @@ querystring@0.2.0:
   resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.0.tgz#b209849203bb25df820da756e747005878521620"
 
 querystringify@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.1.1.tgz#60e5a5fd64a7f8bfa4d2ab2ed6fdf4c85bad154e"
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.2.0.tgz#3345941b4153cb9d082d8eee4cda2016a9aef7f6"
 
 randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5:
   version "2.1.0"
@@ -6863,8 +6863,8 @@ url-loader@^1.1.2:
     schema-utils "^1.0.0"
 
 url-parse@^1.4.3:
-  version "1.4.7"
-  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.4.7.tgz#a8a83535e8c00a316e403a5db4ac1b9b853ae278"
+  version "1.5.10"
+  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.5.10.tgz#9d3c2f736c1d75dd3bd2be507dcc111f1e2ea9c1"
   dependencies:
     querystringify "^2.1.1"
     requires-port "^1.0.0"