diff --git a/package-lock.json b/package-lock.json
index befa8e4..c4c695e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -225,9 +225,9 @@
       "dev": true
     },
     "acorn": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.3.0.tgz",
-      "integrity": "sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==",
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.1.tgz",
+      "integrity": "sha512-add7dgA5ppRPxCFJoAGfMDi7PIBXq1RtGo7BhbLaxwrXPOmw8gq48Y9ozT01hUKy9byMjlR20EJhu5zlkErEkg==",
       "dev": true
     },
     "acorn-jsx": {
@@ -439,7 +439,7 @@
         },
         "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": {
@@ -1494,7 +1494,7 @@
     },
     "css-select": {
       "version": "1.2.0",
-      "resolved": "http://registry.npmjs.org/css-select/-/css-select-1.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/css-select/-/css-select-1.2.0.tgz",
       "integrity": "sha1-KzoRBTnFNV8c2NMUYj6HCxIeyFg=",
       "dev": true,
       "requires": {
@@ -1838,7 +1838,7 @@
       "dependencies": {
         "domelementtype": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
           "integrity": "sha1-vSh3PiZCiBrsUVRJJCmcXNgiGFs=",
           "dev": true
         }
@@ -2188,14 +2188,6 @@
         "acorn": "^7.0.0",
         "acorn-jsx": "^5.0.2",
         "eslint-visitor-keys": "^1.1.0"
-      },
-      "dependencies": {
-        "acorn": {
-          "version": "7.0.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.0.0.tgz",
-          "integrity": "sha512-PaF/MduxijYYt7unVGRuds1vBC9bFxbNf+VWqhOClfdgy7RlVkQqt610ig1/yxTgsDIfW1cWDel5EBbOy3jdtQ==",
-          "dev": true
-        }
       }
     },
     "esprima": {
@@ -4214,7 +4206,7 @@
     },
     "json5": {
       "version": "0.5.1",
-      "resolved": "http://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
       "integrity": "sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=",
       "dev": true
     },
@@ -4510,7 +4502,7 @@
       "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
         }
@@ -4649,7 +4641,7 @@
     },
     "minimist": {
       "version": "0.0.8",
-      "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
       "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
       "dev": true
     },
@@ -4821,7 +4813,7 @@
         },
         "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
         }
@@ -4957,7 +4949,7 @@
         },
         "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": {
@@ -7181,7 +7173,7 @@
     },
     "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": {
@@ -7875,6 +7867,12 @@
         "webpack-sources": "^1.4.1"
       },
       "dependencies": {
+        "acorn": {
+          "version": "6.4.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+          "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
+          "dev": true
+        },
         "big.js": {
           "version": "5.2.2",
           "resolved": "https://registry.npmjs.org/big.js/-/big.js-5.2.2.tgz",
@@ -8192,7 +8190,7 @@
     },
     "wrap-ansi": {
       "version": "2.1.0",
-      "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
       "dev": true,
       "requires": {