diff --git a/package-lock.json b/package-lock.json
index 6138695..c172699 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1205,9 +1205,9 @@
       "dev": true
     },
     "node_modules/bn.js": {
-      "version": "4.11.8",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
-      "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
+      "version": "4.12.0",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+      "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
       "dev": true
     },
     "node_modules/body-parser": {
@@ -1539,7 +1539,6 @@
       "dependencies": {
         "anymatch": "^1.3.0",
         "async-each": "^1.0.0",
-        "fsevents": "^1.0.0",
         "glob-parent": "^2.0.0",
         "inherits": "^2.0.1",
         "is-binary-path": "^1.0.0",
@@ -2558,18 +2557,18 @@
       "dev": true
     },
     "node_modules/elliptic": {
-      "version": "6.5.0",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.0.tgz",
-      "integrity": "sha512-eFOJTMyCYb7xtE/caJ6JJu+bhi67WCYNbkGSknu20pmM8Ke/bqOfdnZWxyoGN26JgfxTbXrsCkEw4KheCT/KGg==",
+      "version": "6.5.5",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.5.tgz",
+      "integrity": "sha512-7EjbcmUm17NQFu4Pmgmq2olYMj8nwMnpcddByChSUjArp8F5DQWcIcpriwO4ZToLNAJig0yiyjswfyGNje/ixw==",
       "dev": true,
       "dependencies": {
-        "bn.js": "^4.4.0",
-        "brorand": "^1.0.1",
+        "bn.js": "^4.11.9",
+        "brorand": "^1.1.0",
         "hash.js": "^1.0.0",
-        "hmac-drbg": "^1.0.0",
-        "inherits": "^2.0.1",
-        "minimalistic-assert": "^1.0.0",
-        "minimalistic-crypto-utils": "^1.0.0"
+        "hmac-drbg": "^1.0.1",
+        "inherits": "^2.0.4",
+        "minimalistic-assert": "^1.0.1",
+        "minimalistic-crypto-utils": "^1.0.1"
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     "node_modules/emoji-regex": {
@@ -2648,8 +2647,7 @@
         "esprima": "^3.1.3",
         "estraverse": "^4.2.0",
         "esutils": "^2.0.2",
-        "optionator": "^0.8.1",
-        "source-map": "~0.6.1"
+        "optionator": "^0.8.1"
       },
       "optionalDependencies": {
         "source-map": "~0.6.1"
@@ -4502,9 +4500,6 @@
         "chalk": "2.x",
         "google-closure-compiler-java": "^20190729.0.0",
         "google-closure-compiler-js": "^20190729.0.0",
-        "google-closure-compiler-linux": "^20190729.0.0",
-        "google-closure-compiler-osx": "^20190729.0.0",
-        "google-closure-compiler-windows": "^20190729.0.0",
         "minimist": "1.x",
         "vinyl": "2.x",
         "vinyl-sourcemaps-apply": "^0.2.0"
@@ -7957,8 +7952,7 @@
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         "async": "^1.4.0",
         "optimist": "^0.6.1",
-        "source-map": "^0.4.4",
-        "uglify-js": "^2.6"
+        "source-map": "^0.4.4"
       },
       "bin": {
         "handlebars": "bin/handlebars"
@@ -9646,7 +9640,6 @@
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       "dependencies": {
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-        "uglify-to-browserify": "~1.0.0",
         "yargs": "~3.10.0"
       },
       "bin": {
@@ -13869,7 +13862,6 @@
         "anymatch": "^2.0.0",
         "async-each": "^1.0.1",
         "braces": "^2.3.2",
-        "fsevents": "^1.2.7",
         "glob-parent": "^3.1.0",
         "inherits": "^2.0.3",
         "is-binary-path": "^1.0.0",
@@ -14584,7 +14576,6 @@
         "anymatch": "^2.0.0",
         "async-each": "^1.0.1",
         "braces": "^2.3.2",
-        "fsevents": "^1.2.7",
         "glob-parent": "^3.1.0",
         "inherits": "^2.0.3",
         "is-binary-path": "^1.0.0",
@@ -16831,9 +16822,9 @@
       "dev": true
     },
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-      "version": "4.11.8",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
-      "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
+      "version": "4.12.0",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+      "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
       "dev": true
     },
     "body-parser": {
@@ -18191,18 +18182,18 @@
       "dev": true
     },
     "elliptic": {
-      "version": "6.5.0",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.0.tgz",
-      "integrity": "sha512-eFOJTMyCYb7xtE/caJ6JJu+bhi67WCYNbkGSknu20pmM8Ke/bqOfdnZWxyoGN26JgfxTbXrsCkEw4KheCT/KGg==",
+      "version": "6.5.5",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.5.tgz",
+      "integrity": "sha512-7EjbcmUm17NQFu4Pmgmq2olYMj8nwMnpcddByChSUjArp8F5DQWcIcpriwO4ZToLNAJig0yiyjswfyGNje/ixw==",
       "dev": true,
       "requires": {
-        "bn.js": "^4.4.0",
-        "brorand": "^1.0.1",
+        "bn.js": "^4.11.9",
+        "brorand": "^1.1.0",
         "hash.js": "^1.0.0",
-        "hmac-drbg": "^1.0.0",
-        "inherits": "^2.0.1",
-        "minimalistic-assert": "^1.0.0",
-        "minimalistic-crypto-utils": "^1.0.0"
+        "hmac-drbg": "^1.0.1",
+        "inherits": "^2.0.4",
+        "minimalistic-assert": "^1.0.1",
+        "minimalistic-crypto-utils": "^1.0.1"
       }
     },
     "emoji-regex": {