diff --git a/package-lock.json b/package-lock.json
index 2fe02d5..b095629 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1218,6 +1218,7 @@
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       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
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         "kind-of": "^3.0.2",
         "longest": "^1.0.1",
@@ -1516,6 +1517,7 @@
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       "integrity": "sha1-emNune1O/O+xnO9JR6PGffrukRs=",
       "dev": true,
+      "optional": true,
       "requires": {
         "hoek": "0.9.x"
       }
@@ -3894,7 +3896,8 @@
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       "resolved": "https://registry.npmjs.org/hoek/-/hoek-0.9.1.tgz",
       "integrity": "sha1-PTIkYrrfB3Fup+uFuviAec3c5QU=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "home-or-tmp": {
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@@ -8924,12 +8927,6 @@
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           "dev": true
         },
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-          "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-          "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
-          "dev": true
-        },
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           "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
@@ -8957,9 +8954,9 @@
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-              "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
-              "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+              "version": "3.2.2",
+              "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.2.tgz",
+              "integrity": "sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==",
               "dev": true
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@@ -9058,7 +9055,7 @@
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     "onetime": {
       "version": "1.1.0",
-      "resolved": "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
       "integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k="
     },
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@@ -11497,9 +11494,9 @@
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     },
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-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-      "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.1.tgz",
+      "integrity": "sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ==",
       "dev": true
     },
     "yallist": {