diff --git a/package-lock.json b/package-lock.json
index 47a5fa4..7a772a8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -60,7 +60,7 @@
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-          "resolved": "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
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@@ -227,7 +227,7 @@
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+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
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@@ -265,7 +265,7 @@
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+      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-7.2.6.tgz",
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+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -1196,7 +1196,7 @@
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@@ -1234,7 +1234,7 @@
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+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
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@@ -1322,7 +1322,7 @@
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-              "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+              "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
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@@ -1387,7 +1387,7 @@
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+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
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@@ -1427,7 +1427,7 @@
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-          "resolved": "http://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
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@@ -1561,7 +1561,7 @@
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+          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
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@@ -1923,7 +1923,7 @@
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+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -2033,7 +2033,7 @@
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@@ -2443,7 +2443,7 @@
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@@ -2841,7 +2841,7 @@
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@@ -2940,17 +2940,29 @@
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+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
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-        "brorand": "^1.0.1",
+        "bn.js": "^4.11.9",
+        "brorand": "^1.1.0",
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-        "inherits": "^2.0.1",
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+        "hmac-drbg": "^1.0.1",
+        "inherits": "^2.0.4",
+        "minimalistic-assert": "^1.0.1",
+        "minimalistic-crypto-utils": "^1.0.1"
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+        }
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+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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-          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.3.0.tgz",
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-          "resolved": "http://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
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@@ -4092,7 +4104,7 @@
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@@ -4167,7 +4179,8 @@
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@@ -4185,11 +4198,13 @@
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+          "bundled": true,
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@@ -4202,15 +4217,18 @@
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+          "bundled": true,
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@@ -4313,7 +4331,8 @@
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@@ -4323,6 +4342,7 @@
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@@ -4335,17 +4355,20 @@
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+          "optional": true,
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-          "bundled": true
+          "bundled": true,
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@@ -4362,6 +4385,7 @@
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@@ -4434,7 +4458,8 @@
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@@ -4519,7 +4545,8 @@
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@@ -4549,6 +4576,7 @@
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@@ -4604,11 +4633,13 @@
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