diff --git a/package-lock.json b/package-lock.json
index f2ef18c..436267d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -52,7 +52,7 @@
         },
         "onetime": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
           "integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k=",
           "dev": true
         },
@@ -3174,9 +3174,9 @@
       }
     },
     "css-what": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.0.tgz",
-      "integrity": "sha1-lGfQMsOM+u+58teVASUwYvh/ob0="
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.3.tgz",
+      "integrity": "sha512-a+EPoD+uZiNfh+5fxw2nO9QwFa6nJe2Or35fGY6Ipw1R3R4AGz1d1TEZrCegvw2YTmZ0jXirGYlzxxpYSHwpEg=="
     },
     "cssesc": {
       "version": "0.1.0",
@@ -5404,7 +5404,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -5422,11 +5423,13 @@
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -5439,15 +5442,18 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -5550,7 +5556,8 @@
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -5560,6 +5567,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -5572,17 +5580,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -5599,6 +5610,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -5671,7 +5683,8 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -5681,6 +5694,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -5756,7 +5770,8 @@
         },
         "safe-buffer": {
           "version": "5.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -5786,6 +5801,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -5803,6 +5819,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -5841,11 +5858,13 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
     },
@@ -7944,7 +7963,7 @@
         },
         "jest-diff": {
           "version": "22.4.3",
-          "resolved": "http://registry.npmjs.org/jest-diff/-/jest-diff-22.4.3.tgz",
+          "resolved": "https://registry.npmjs.org/jest-diff/-/jest-diff-22.4.3.tgz",
           "integrity": "sha512-/QqGvCDP5oZOF6PebDuLwrB2BMD8ffJv6TAGAdEVuDx1+uEgrHpSFrfrOiMRx2eJ1hgNjlQrOQEHetVwij90KA==",
           "dev": true,
           "requires": {
@@ -7956,7 +7975,7 @@
           "dependencies": {
             "pretty-format": {
               "version": "22.4.3",
-              "resolved": "http://registry.npmjs.org/pretty-format/-/pretty-format-22.4.3.tgz",
+              "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-22.4.3.tgz",
               "integrity": "sha512-S4oT9/sT6MN7/3COoOy+ZJeA92VmOnveLHgrwBE3Z1W5N9S2A1QGNYiE1z75DAENbJrXXUb+OWXhpJcg05QKQQ==",
               "dev": true,
               "requires": {
@@ -7979,7 +7998,7 @@
           "dependencies": {
             "pretty-format": {
               "version": "22.4.3",
-              "resolved": "http://registry.npmjs.org/pretty-format/-/pretty-format-22.4.3.tgz",
+              "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-22.4.3.tgz",
               "integrity": "sha512-S4oT9/sT6MN7/3COoOy+ZJeA92VmOnveLHgrwBE3Z1W5N9S2A1QGNYiE1z75DAENbJrXXUb+OWXhpJcg05QKQQ==",
               "dev": true,
               "requires": {