diff --git a/package-lock.json b/package-lock.json
index df27090..e000346 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "requires": {
         "@firebase/app-types": "0.1.2",
         "@firebase/util": "0.1.10",
-        "tslib": "1.9.0"
+        "tslib": "^1.9.0"
       }
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@@ -41,7 +41,7 @@
         "@firebase/logger": "0.1.0",
         "@firebase/util": "0.1.10",
         "faye-websocket": "0.11.1",
-        "tslib": "1.9.0"
+        "tslib": "^1.9.0"
       }
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     "@firebase/database-types": {
@@ -57,8 +57,8 @@
         "@firebase/firestore-types": "0.2.2",
         "@firebase/logger": "0.1.0",
         "@firebase/webchannel-wrapper": "0.2.7",
-        "grpc": "1.10.1",
-        "tslib": "1.9.0"
+        "grpc": "^1.9.1",
+        "tslib": "^1.9.0"
       }
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     "@firebase/firestore-types": {
@@ -72,8 +72,8 @@
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       "requires": {
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-        "@firebase/messaging-types": "0.1.2",
-        "isomorphic-fetch": "2.2.1"
+        "@firebase/messaging-types": "^0.1.1",
+        "isomorphic-fetch": "^2.2.1"
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     "@firebase/functions-types": {
@@ -93,22 +93,29 @@
       "requires": {
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         "@firebase/util": "0.1.10",
-        "tslib": "1.9.0"
+        "tslib": "^1.9.0"
+      },
+      "dependencies": {
+        "@firebase/messaging-types": {
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+          "resolved": "https://registry.npmjs.org/@firebase/messaging-types/-/messaging-types-0.1.2.tgz",
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+        }
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     "@firebase/messaging-types": {
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-      "resolved": "https://registry.npmjs.org/@firebase/messaging-types/-/messaging-types-0.1.2.tgz",
-      "integrity": "sha512-4Oycm2JiDaLp9jUy4O25gD/B9Hqdy11hGjSNE0rzhVox5d0e1RF08QCwVt9xpjtBLRgEpPLyD9dPeSu4YK0Y4Q=="
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/@firebase/messaging-types/-/messaging-types-0.1.3.tgz",
+      "integrity": "sha512-kDixnQujUuwvqc12iFLd6ygb+cdCCXCNeJpQD7jV0mnYMbE1Sp4Y7sl2G7N7r0kcoJPHUQHERBkZlw2N3xyJCw=="
     },
     "@firebase/polyfill": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/@firebase/polyfill/-/polyfill-0.3.0.tgz",
       "integrity": "sha512-nE8LMXBhvWdHBlxtjkZkid8WzowBbxUC+mcYdsEbvx5A7hWswisFZO8XwoKnM1jYYSOpDrtxFmyqWBAc15DmRg==",
       "requires": {
-        "promise-polyfill": "7.1.1",
-        "tslib": "1.9.0",
-        "whatwg-fetch": "2.0.4"
+        "promise-polyfill": "^7.1.0",
+        "tslib": "^1.9.0",
+        "whatwg-fetch": "^2.0.3"
       }
     },
     "@firebase/storage": {
@@ -117,7 +124,7 @@
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       "requires": {
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-        "tslib": "1.9.0"
+        "tslib": "^1.9.0"
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     "@firebase/storage-types": {
@@ -130,7 +137,7 @@
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       "requires": {
-        "tslib": "1.9.0"
+        "tslib": "^1.9.0"
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     "@firebase/webchannel-wrapper": {
@@ -324,8 +331,8 @@
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       "requires": {
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-        "optjs": "3.2.2"
+        "colour": "~0.7.1",
+        "optjs": "~3.2.2"
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@@ -1487,7 +1494,7 @@
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       "integrity": "sha1-WC7qSxqHO20CCkjVjfhfC7ps/d0=",
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-        "long": "3.2.0"
+        "long": "~3"
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@@ -2643,7 +2650,7 @@
       "resolved": "https://registry.npmjs.org/faye-websocket/-/faye-websocket-0.11.1.tgz",
       "integrity": "sha1-8O/hjE9W5PQK/H4Gxxn9XuYYjzg=",
       "requires": {
-        "websocket-driver": "0.7.0"
+        "websocket-driver": ">=0.5.1"
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     "fbjs": {
@@ -2730,8 +2737,8 @@
         "@firebase/messaging": "0.2.3",
         "@firebase/polyfill": "0.3.0",
         "@firebase/storage": "0.1.8",
-        "dom-storage": "2.1.0",
-        "xmlhttprequest": "1.8.0"
+        "dom-storage": "^2.0.2",
+        "xmlhttprequest": "^1.8.0"
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@@ -2849,12 +2856,14 @@
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@@ -2869,17 +2878,20 @@
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+          "optional": true
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@@ -2996,7 +3008,8 @@
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           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3008,6 +3021,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3022,6 +3036,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3029,12 +3044,14 @@
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           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "2.2.4",
           "bundled": true,
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+          "optional": true,
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@@ -3053,6 +3070,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3133,7 +3151,8 @@
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@@ -3145,6 +3164,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
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           }
@@ -3266,6 +3286,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3450,30 +3471,21 @@
       "dev": true
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-      "resolved": "https://registry.npmjs.org/grpc/-/grpc-1.10.1.tgz",
-      "integrity": "sha512-xmhA11h2XhqpSVzDAmoQAYdNQ+swILXpKOiRpAEQ2kX55ioxVADc6v7SkS4zQBxm4klhQHgGqpGKvoL6LGx4VQ==",
-      "requires": {
-        "lodash": "4.17.5",
-        "nan": "2.10.0",
-        "node-pre-gyp": "0.7.0",
-        "protobufjs": "5.0.2"
+      "version": "1.17.0",
+      "resolved": "https://registry.npmjs.org/grpc/-/grpc-1.17.0.tgz",
+      "integrity": "sha512-5zb5ilwHlsiWfE2Abq/IN5SkHQ2zi4QF/u9Gewcw5DO3y+hGTtzZUiMK52MX3YZHAIRjqxDcO3fx0jLhPjT8Zw==",
+      "requires": {
+        "lodash.camelcase": "^4.3.0",
+        "lodash.clone": "^4.5.0",
+        "nan": "^2.0.0",
+        "node-pre-gyp": "^0.12.0",
+        "protobufjs": "^5.0.3"
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@@ -3483,86 +3495,33 @@
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-          "version": "1.1.4",
+          "version": "1.1.5",
           "bundled": true,
           "requires": {
-            "delegates": "1.0.0",
-            "readable-stream": "2.3.5"
+            "delegates": "^1.0.0",
+            "readable-stream": "^2.0.6"
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-          "bundled": true
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-          "requires": {
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-          }
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-          "version": "1.1.8",
+          "version": "1.1.11",
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-        "caseless": {
-          "version": "0.12.0",
-          "bundled": true
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-        "co": {
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@@ -3575,29 +3534,6 @@
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@@ -3606,11 +3542,7 @@
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-          "version": "1.0.0",
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@@ -3621,148 +3553,67 @@
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-            "combined-stream": "1.0.6",
-            "mime-types": "2.1.18"
+            "minipass": "^2.2.1"
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-            "hoek": "4.2.1",
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@@ -3777,70 +3628,39 @@
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-            "verror": "1.10.0"
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+        "minipass": {
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-        "minimatch": {
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@@ -4018,55 +3823,30 @@
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@@ -4074,78 +3854,36 @@
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+      "integrity": "sha1-soqmKIorn8ZRA1x3EfZathkDMaY="
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@@ -5701,9 +5450,9 @@
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@@ -5736,27 +5485,27 @@
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@@ -5766,16 +5515,16 @@
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@@ -6904,9 +6653,9 @@
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@@ -7358,8 +7107,8 @@
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+        "http-parser-js": ">=0.4.0",
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