diff --git a/package-lock.json b/package-lock.json
index ab40753..9bd1bfe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -76,6 +76,7 @@
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       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
       "requires": {
         "kind-of": "^3.0.2",
         "longest": "^1.0.1",
@@ -2828,7 +2829,8 @@
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       "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.5.tgz",
       "integrity": "sha1-Hzsm72E7IUuIy8ojzGwB2Hlh7sw=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -3372,6 +3374,7 @@
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
       "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-buffer": "^1.1.5"
       }
@@ -3770,7 +3773,8 @@
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       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "loud-rejection": {
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@@ -5365,48 +5369,6 @@
                 }
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-            "hawk": {
-              "version": "3.1.3",
-              "bundled": true,
-              "dev": true,
-              "requires": {
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-                "cryptiles": "2.x.x",
-                "hoek": "2.x.x",
-                "sntp": "1.x.x"
-              },
-              "dependencies": {
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-                  "version": "2.10.1",
-                  "bundled": true,
-                  "dev": true,
-                  "requires": {
-                    "hoek": "2.x.x"
-                  }
-                },
-                "cryptiles": {
-                  "version": "2.0.5",
-                  "bundled": true,
-                  "dev": true,
-                  "requires": {
-                    "boom": "2.x.x"
-                  }
-                },
-                "hoek": {
-                  "version": "2.16.3",
-                  "bundled": true,
-                  "dev": true
-                },
-                "sntp": {
-                  "version": "1.0.9",
-                  "bundled": true,
-                  "dev": true,
-                  "requires": {
-                    "hoek": "2.x.x"
-                  }
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@@ -5924,7 +5886,6 @@
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           "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
-          "dev": true,
           "requires": {
             "hoek": "2.x.x"
           }
@@ -6036,7 +5997,6 @@
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-          "dev": true,
           "requires": {
             "boom": "2.x.x"
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@@ -6183,23 +6143,10 @@
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           "dev": true
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-          "resolved": "https://registry.npmjs.org/hawk/-/hawk-3.1.0.tgz",
-          "integrity": "sha1-ihOuGZd+xgdgLz8Ln9Z28Yw4TkQ=",
-          "dev": true,
-          "requires": {
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-            "cryptiles": "2.x.x",
-            "hoek": "2.x.x",
-            "sntp": "1.x.x"
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           "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
-          "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
-          "dev": true
+          "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0="
         },
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@@ -6653,7 +6600,6 @@
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-          "dev": true,
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             "hoek": "2.x.x"
           }
@@ -6852,6 +6798,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
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             "kind-of": "^3.0.2",
             "longest": "^1.0.1",
@@ -7596,7 +7543,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -8884,7 +8832,8 @@
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       "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc=",
-      "dev": true
+      "dev": true,
+      "optional": true
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     "repeating": {
       "version": "2.0.1",