diff --git a/package-lock.json b/package-lock.json
index 6d2977b..e76e71c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -85,6 +85,7 @@
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       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
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         "longest": "1.0.1",
@@ -666,9 +667,9 @@
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-      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.0.1.tgz",
-      "integrity": "sha1-4qdQQqlVGQi+vSW4Uj1fl2nXkYE=",
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+      "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==",
       "dev": true
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@@ -813,26 +814,6 @@
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-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/cryptiles/-/cryptiles-4.1.2.tgz",
-      "integrity": "sha1-qJ+7Ig9c4l7FboxKqKT9e1sNKf4=",
-      "dev": true,
-      "requires": {
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-          "resolved": "https://registry.npmjs.org/boom/-/boom-5.2.0.tgz",
-          "integrity": "sha512-Z5BTk6ZRe4tXXQlkqftmsAUANpXmuwlsF5Oov8ThoMbQRzdGTA1ngYRW160GexgOgjsFOKJz0LYhoNi+2AMBUw==",
-          "dev": true,
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@@ -1497,12 +1478,12 @@
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-      "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.5.tgz",
-      "integrity": "sha512-JhBl0skXjUPCFH7x6x61gQxrKyXsxB5gcgePLZCwfyCGGsTISMoIeObbrvVeP6Xmyaudw4TT43qV2Gz+iyd2oQ==",
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.7.tgz",
+      "integrity": "sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==",
       "dev": true,
       "requires": {
-        "minipass": "2.2.1"
+        "minipass": "^2.6.0"
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@@ -1541,7 +1522,8 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -1592,7 +1574,8 @@
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           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -1607,6 +1590,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -1615,6 +1599,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -1623,6 +1608,7 @@
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@@ -1631,7 +1617,8 @@
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-          "dev": true
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@@ -1648,12 +1635,14 @@
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           "version": "1.1.0",
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-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.0.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -1661,22 +1650,26 @@
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-          "dev": true
+          "dev": true,
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           "version": "1.1.0",
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-          "dev": true
+          "dev": true,
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-          "dev": true
+          "dev": true,
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           "version": "2.0.5",
           "bundled": true,
           "dev": true,
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@@ -1716,7 +1709,8 @@
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-          "dev": true
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@@ -1748,7 +1742,8 @@
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-          "dev": true
+          "dev": true,
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@@ -1770,12 +1765,14 @@
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+          "dev": true,
+          "optional": true
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           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -1831,6 +1828,7 @@
           "version": "7.1.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -1843,7 +1841,8 @@
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           "version": "4.1.11",
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -1871,6 +1870,7 @@
           "version": "3.1.3",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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             "cryptiles": "2.0.5",
@@ -1881,7 +1881,8 @@
         "hoek": {
           "version": "2.16.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -1898,6 +1899,7 @@
           "version": "1.0.6",
           "bundled": true,
           "dev": true,
+          "optional": true,
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             "once": "1.4.0",
             "wrappy": "1.0.2"
@@ -1906,7 +1908,8 @@
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           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.3.4",
@@ -1918,6 +1921,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -1931,7 +1935,8 @@
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           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
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@@ -2004,12 +2009,14 @@
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           "version": "1.27.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "mime-types": {
           "version": "2.1.15",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2018,6 +2025,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2025,12 +2033,14 @@
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           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -2085,7 +2095,8 @@
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           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -2103,6 +2114,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2132,7 +2144,8 @@
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           "version": "1.0.1",
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-          "dev": true
+          "dev": true,
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@@ -2143,7 +2156,8 @@
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@@ -2181,6 +2195,7 @@
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           "bundled": true,
           "dev": true,
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@@ -2225,6 +2240,7 @@
           "version": "2.6.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2232,7 +2248,8 @@
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           "version": "5.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -2256,6 +2273,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
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           }
@@ -2289,6 +2307,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2299,6 +2318,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2313,6 +2333,7 @@
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           "bundled": true,
           "dev": true,
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@@ -2327,6 +2348,7 @@
           "version": "2.2.1",
           "bundled": true,
           "dev": true,
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@@ -2382,7 +2404,8 @@
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@@ -2411,7 +2434,8 @@
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           "version": "1.0.2",
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-          "dev": true
+          "dev": true,
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@@ -2592,6 +2616,28 @@
         "cryptiles": "3.1.2",
         "hoek": "4.2.1",
         "sntp": "2.1.0"
+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/cryptiles/-/cryptiles-3.1.2.tgz",
+          "integrity": "sha1-qJ+7Ig9c4l7FboxKqKT9e1sNKf4=",
+          "dev": true,
+          "requires": {
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+              "dev": true,
+              "requires": {
+                "hoek": "4.x.x"
+              }
+            }
+          }
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@@ -3621,7 +3667,8 @@
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       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
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+      "optional": true
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@@ -3739,29 +3786,36 @@
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+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.9.0.tgz",
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       "dev": true,
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-        "yallist": "3.0.2"
+        "safe-buffer": "^5.1.2",
+        "yallist": "^3.0.0"
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-          "integrity": "sha1-hFK0u36Dx8GI2AQcGoN8dz1ti7k=",
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+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.3.3.tgz",
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       "dev": true,
       "requires": {
-        "minipass": "2.2.1"
+        "minipass": "^2.9.0"
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@@ -4772,23 +4826,45 @@
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-        "minipass": "2.2.1",
-        "minizlib": "1.1.0",
-        "mkdirp": "0.5.1",
-        "yallist": "3.0.2"
+      "version": "4.4.18",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.18.tgz",
+      "integrity": "sha512-ZuOtqqmkV9RE1+4odd+MhBpibmCxNP6PJhH/h2OqNuotTX7/XHPZQJv2pKvWMplFH9SIZZhitehh6vBH6LO8Pg==",
+      "dev": true,
+      "requires": {
+        "chownr": "^1.1.4",
+        "fs-minipass": "^1.2.7",
+        "minipass": "^2.9.0",
+        "minizlib": "^1.3.3",
+        "mkdirp": "^0.5.5",
+        "safe-buffer": "^5.2.1",
+        "yallist": "^3.1.1"
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+          "requires": {
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+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
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-          "integrity": "sha1-hFK0u36Dx8GI2AQcGoN8dz1ti7k=",
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