diff --git a/package-lock.json b/package-lock.json
index cdf4852..0adf491 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -55,7 +55,7 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
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@@ -1248,7 +1248,7 @@
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-          "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
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@@ -1271,7 +1271,7 @@
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-      "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
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@@ -2233,7 +2233,7 @@
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-      "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",
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@@ -2262,13 +2262,13 @@
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-          "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
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-          "resolved": "http://registry.npmjs.org/regexpu-core/-/regexpu-core-1.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/regexpu-core/-/regexpu-core-1.0.0.tgz",
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@@ -2279,13 +2279,13 @@
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-          "resolved": "http://registry.npmjs.org/regjsgen/-/regjsgen-0.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/regjsgen/-/regjsgen-0.2.0.tgz",
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-          "resolved": "http://registry.npmjs.org/regjsparser/-/regjsparser-0.1.5.tgz",
+          "resolved": "https://registry.npmjs.org/regjsparser/-/regjsparser-0.1.5.tgz",
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@@ -2636,7 +2636,7 @@
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-          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
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@@ -3002,7 +3002,7 @@
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-          "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",
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@@ -3334,7 +3334,8 @@
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@@ -3355,12 +3356,14 @@
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@@ -3375,17 +3378,20 @@
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-          "dev": true
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@@ -3502,7 +3508,8 @@
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           "version": "2.0.3",
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-          "dev": true
+          "dev": true,
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@@ -3514,6 +3521,7 @@
           "version": "1.0.0",
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@@ -3528,6 +3536,7 @@
           "version": "3.0.4",
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           "dev": true,
+          "optional": true,
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@@ -3535,12 +3544,14 @@
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           "version": "0.0.8",
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+          "dev": true,
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@@ -3559,6 +3570,7 @@
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@@ -3639,7 +3651,8 @@
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-          "dev": true
+          "dev": true,
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@@ -3651,6 +3664,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
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@@ -3736,7 +3750,8 @@
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@@ -3772,6 +3787,7 @@
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+          "optional": true,
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@@ -3791,6 +3807,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3834,12 +3851,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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+          "dev": true,
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@@ -3962,7 +3981,7 @@
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-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
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@@ -4232,7 +4251,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
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@@ -4825,7 +4844,7 @@
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-      "resolved": "http://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
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@@ -5156,7 +5175,7 @@
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-      "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
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@@ -6463,7 +6482,7 @@
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-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
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@@ -6589,7 +6608,7 @@
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-          "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
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@@ -6628,7 +6647,7 @@
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-          "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",
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@@ -8309,7 +8328,7 @@
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-          "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",
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@@ -8436,9 +8455,9 @@
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-      "integrity": "sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg==",
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.4.tgz",
+      "integrity": "sha512-OqedPIGOfsDlo31UNwYbCFMSaO9m9G/0faIHj5/dZFDMFqPTcx6UwqyOy3COEaEOg/9VsGIpdqn62W5KhoKSpg==",
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@@ -8512,7 +8531,7 @@
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-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
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