diff --git a/package-lock.json b/package-lock.json
index a2b0182..19cb558 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,6 +15,7 @@
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       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
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@@ -84,15 +85,18 @@
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-      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.3.tgz",
-      "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y=",
-      "dev": true
+      "version": "0.2.6",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.6.tgz",
+      "integrity": "sha512-ix/FxPn0MDjeyJ7i/yoHGFt/EX6LyNbxSEhPPXODPL+KB0VPk86UYfL0lMdy+KCnv+fmvIzySwaK5COwqVbWTQ==",
+      "dev": true,
+      "requires": {
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-      "integrity": "sha1-104bh+ev/A24qttwIfP+SBAasjQ=",
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@@ -111,19 +115,19 @@
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-      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
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-      "integrity": "sha1-FDQt0428yU0OW4fXY81jYSwOeU8=",
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       "dev": true
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-      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.6.0.tgz",
-      "integrity": "sha1-g+9cqGCysy5KDe7e6MdxudtXRx4=",
+      "version": "1.12.0",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.12.0.tgz",
+      "integrity": "sha512-NmWvPnx0F1SfrQbYwOi7OeaNGokp9XhzNioJ/CSBs8Qa4vxug81mhJEAVZwxXuBmYB5KDRfMq/F3RR0BIU7sWg==",
       "dev": true
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@@ -1042,13 +1046,12 @@
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-      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz",
-      "integrity": "sha1-Y7xdy2EzG5K8Bf1SiVPDNGKgb40=",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
+      "integrity": "sha512-qeFIXtP4MSoi6NLqO12WfqARWWuCKi2Rn/9hJLEmtB5yTNr9DqFWkJRCf2qShWzPeAMRnOgCrq0sg/KLv5ES9w==",
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-      "optional": true,
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+        "tweetnacl": "^0.14.3"
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@@ -1061,10 +1064,10 @@
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-      "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
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       "dev": true,
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+        "hoek": "2.x.x"
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@@ -1114,7 +1117,7 @@
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-      "integrity": "sha1-cVuW6phBWTzDMGeSP17GDr2k99c=",
+      "integrity": "sha512-ODLXH644w9C2fMPAm7bMDQ3GRvipZWZfKc+8As6hIadRIelE0n0xZuN38NS6kiK3KPEVrpymmQD8bvncAHWQkQ==",
       "dev": true
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@@ -1181,12 +1184,12 @@
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-      "integrity": "sha1-k4NwpXtKUd6ix3wV1cX9+JUWQAk=",
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
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       "dev": true,
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-        "delayed-stream": "1.0.0"
+        "delayed-stream": "~1.0.0"
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@@ -1235,7 +1238,7 @@
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-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
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@@ -1243,25 +1246,25 @@
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-      "integrity": "sha1-O9/s3GCBR8HGcgL6KR59ylnqo7g=",
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       "dev": true,
       "requires": {
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+        "boom": "2.x.x"
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-      "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
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       "dev": true,
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+        "assert-plus": "^1.0.0"
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-          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
+          "integrity": "sha512-NfJ4UzBCcQGLDlQq7nHxH+tv3kyZ0hHQqF5BO6J7tNJeP5do1llPr8dZ8zHonfhAu0PHAdMkSo+8o0wxg9lZWw==",
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@@ -1301,7 +1304,7 @@
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-      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
+      "integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==",
       "dev": true
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@@ -1314,13 +1317,13 @@
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-      "integrity": "sha1-D8c6ntXw1Tw4GTOYUj735UN3dQU=",
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz",
+      "integrity": "sha512-eh9O+hwRHNbG4BLTjEl3nw044CkGm5X6LoaCf7LPp7UU8Qrt47JYNi6nPX8xjW97TKGKm1ouctg0QSpZe9qrnw==",
       "dev": true,
-      "optional": true,
       "requires": {
-        "jsbn": "0.1.1"
+        "jsbn": "~0.1.0",
+        "safer-buffer": "^2.1.0"
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@@ -1435,9 +1438,9 @@
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-      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.1.tgz",
-      "integrity": "sha1-p1Xqe8Gt/MWjHOfnYtuq3F5jZEQ=",
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
+      "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==",
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@@ -1453,7 +1456,7 @@
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       "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
-      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
+      "integrity": "sha512-11Ndz7Nv+mvAC1j0ktTa7fAb0vLyGGX+rMHNBYQviQDGU0Hw7lhctJANqbPhu9nV9/izT/IntTgZ7Im/9LJs9g==",
       "dev": true
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@@ -1543,18 +1546,18 @@
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-      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE=",
+      "integrity": "sha512-j0KLYPhm6zeac4lz3oJ3o65qvgQCcPubiyotZrXqEaG4hNagNYO8qdlUrX5vwqv9ohqeT/Z3j6+yW067yWWdUw==",
       "dev": true
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       "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.1.4.tgz",
-      "integrity": "sha1-M8GDrPGTJ27KqYFDpp6Uv+4XUNE=",
+      "integrity": "sha512-8HWGSLAPr+AG0hBpsqi5Ob8HrLStN/LWeqhpFl14d7FJgHK48TmgLoALPz69XSUR65YJzDfLUX/BM8+MLJLghQ==",
       "dev": true,
       "requires": {
-        "asynckit": "0.4.0",
-        "combined-stream": "1.0.5",
-        "mime-types": "2.1.17"
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.5",
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@@ -1599,7 +1602,8 @@
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-          "dev": true
+          "dev": true,
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@@ -1650,7 +1654,8 @@
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           "version": "0.4.2",
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-          "dev": true
+          "dev": true,
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@@ -1665,6 +1670,7 @@
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           "bundled": true,
           "dev": true,
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@@ -1673,6 +1679,7 @@
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@@ -1681,6 +1688,7 @@
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@@ -1689,7 +1697,8 @@
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@@ -1706,12 +1715,14 @@
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           "version": "1.1.0",
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+          "optional": true
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           "bundled": true,
           "dev": true,
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@@ -1719,22 +1730,26 @@
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           "version": "0.0.1",
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           "version": "2.0.5",
           "bundled": true,
           "dev": true,
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@@ -1774,7 +1789,8 @@
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           "version": "1.0.0",
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -1806,7 +1822,8 @@
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           "version": "1.0.2",
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-          "dev": true
+          "dev": true,
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@@ -1828,12 +1845,14 @@
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           "version": "1.0.0",
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-          "dev": true
+          "dev": true,
+          "optional": true
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         "fstream": {
           "version": "1.0.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
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             "inherits": "2.0.3",
@@ -1889,6 +1908,7 @@
           "version": "7.1.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -1901,7 +1921,8 @@
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           "version": "4.1.11",
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@@ -1929,6 +1950,7 @@
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           "dev": true,
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             "cryptiles": "2.0.5",
@@ -1939,7 +1961,8 @@
         "hoek": {
           "version": "2.16.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
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@@ -1956,6 +1979,7 @@
           "version": "1.0.6",
           "bundled": true,
           "dev": true,
+          "optional": true,
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             "wrappy": "1.0.2"
@@ -1964,7 +1988,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "ini": {
           "version": "1.3.4",
@@ -1976,6 +2001,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
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@@ -1989,7 +2015,8 @@
         "isarray": {
           "version": "1.0.0",
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@@ -2062,12 +2089,14 @@
         "mime-db": {
           "version": "1.27.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "mime-types": {
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           "bundled": true,
           "dev": true,
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@@ -2076,22 +2105,17 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
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         "minimist": {
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-          "bundled": true,
-          "dev": true
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-        "mkdirp": {
-          "version": "0.5.1",
-          "bundled": true,
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha512-7Wl+Jz+IGWuSdgsQEJ4JunV0si/iMhg42MnQQG6h1R6TNeVenp4U9x5CC5v/gYqz/fENLQITAWXidNtVL0NNbw==",
           "dev": true,
-          "requires": {
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-          }
+          "optional": true
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@@ -2143,7 +2167,8 @@
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           "version": "1.0.1",
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-          "dev": true
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@@ -2161,6 +2186,7 @@
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           "bundled": true,
           "dev": true,
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@@ -2190,7 +2216,8 @@
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@@ -2201,7 +2228,8 @@
         "process-nextick-args": {
           "version": "1.0.7",
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@@ -2225,20 +2253,13 @@
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         "readable-stream": {
           "version": "2.2.9",
           "bundled": true,
           "dev": true,
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@@ -2283,6 +2304,7 @@
           "version": "2.6.1",
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           "dev": true,
+          "optional": true,
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@@ -2290,7 +2312,8 @@
         "safe-buffer": {
           "version": "5.0.1",
           "bundled": true,
-          "dev": true
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@@ -2314,6 +2337,7 @@
           "version": "1.0.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
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           }
@@ -2347,6 +2371,7 @@
           "version": "1.0.2",
           "bundled": true,
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+          "optional": true,
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@@ -2357,6 +2382,7 @@
           "version": "1.0.1",
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           "dev": true,
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@@ -3319,13 +3366,13 @@
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-      "dev": true
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@@ -3499,29 +3549,29 @@
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-        "stringstream": "0.0.5",
-        "tough-cookie": "2.3.3",
-        "tunnel-agent": "0.4.3",
-        "uuid": "3.1.0"
+      "integrity": "sha512-e7MIJshe1eZAmRqg4ryaO0N9G0fs+/gpDe5FlbnIFy6zZznRSwdRFrLp63if0Yt43vrI5wowOqHv1qJdVocdOQ==",
+      "dev": true,
+      "requires": {
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+        "aws4": "^1.2.1",
+        "caseless": "~0.11.0",
+        "combined-stream": "~1.0.5",
+        "extend": "~3.0.0",
+        "forever-agent": "~0.6.1",
+        "form-data": "~2.1.1",
+        "har-validator": "~2.0.6",
+        "hawk": "~3.1.3",
+        "http-signature": "~1.1.0",
+        "is-typedarray": "~1.0.0",
+        "isstream": "~0.1.2",
+        "json-stringify-safe": "~5.0.1",
+        "mime-types": "~2.1.7",
+        "oauth-sign": "~0.8.1",
+        "qs": "~6.3.0",
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+        "tough-cookie": "~2.3.0",
+        "tunnel-agent": "~0.4.1",
+        "uuid": "^3.0.0"
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@@ -3544,6 +3594,13 @@
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+      "dev": true,
+      "optional": true
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+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
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@@ -3568,10 +3625,10 @@
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-      "integrity": "sha1-ZUEYTMkK7qbG57NeJlkIJEPGYZg=",
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       "dev": true,
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-        "hoek": "2.16.3"
+        "hoek": "2.x.x"
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@@ -3596,25 +3653,26 @@
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-        "getpass": "0.1.7",
-        "jsbn": "0.1.1",
-        "tweetnacl": "0.14.5"
+      "version": "1.17.0",
+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.17.0.tgz",
+      "integrity": "sha512-/9HIEs1ZXGhSPE8X6Ccm7Nam1z8KcoCqPdI7ecm1N33EzAetWahvQWVqLZtaZQ+IDKX4IyA2o0gBzqIMkAagHQ==",
+      "dev": true,
+      "requires": {
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+        "assert-plus": "^1.0.0",
+        "bcrypt-pbkdf": "^1.0.0",
+        "dashdash": "^1.12.0",
+        "ecc-jsbn": "~0.1.1",
+        "getpass": "^0.1.1",
+        "jsbn": "~0.1.0",
+        "safer-buffer": "^2.0.2",
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-          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
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@@ -3630,9 +3688,9 @@
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-      "integrity": "sha1-TkhM1N5aC7vuGORjB3EKioFiGHg=",
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.6.tgz",
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@@ -3657,12 +3715,12 @@
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-      "integrity": "sha1-C2GKVWW23qkL80JdBNVe3EdadWE=",
+      "version": "2.3.4",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.4.tgz",
+      "integrity": "sha512-TZ6TTfI5NtZnuyy/Kecv+CnoROnyXn2DN97LontgQpCwsX2XyLYCC0ENhYkehSOwAp8rTQKc/NUIF7BkQ5rKLA==",
       "dev": true,
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-        "punycode": "1.4.1"
+        "punycode": "^1.4.1"
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@@ -3674,15 +3732,14 @@
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-      "integrity": "sha1-Y3PbdpCf5XDgjXNYM2Xtgop07us=",
+      "integrity": "sha512-e0IoVDWx8SDHc/hwFTqJDQ7CCDTEeGhmcT9jkWJjoGQSpgBz20nAMr80E3Tpk7PatJ1b37DQDgJR3CNSzcMOZQ==",
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-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-      "dev": true,
-      "optional": true
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+      "dev": true
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@@ -3736,9 +3793,9 @@
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-      "integrity": "sha512-DIWtzUkw04M4k3bf1IcpS2tngXEL26YUD2M0tMDUpnUrz2hgzUBlD55a4FjdLGPvfHxS6uluGWvaVEqgBcVa+g==",
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
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@@ -3753,18 +3810,18 @@
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-      "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
+      "integrity": "sha512-ZZKSmDAEFOijERBLkmYfJ+vmk3w+7hOLYDNkRCuRuMJGEmqYNCNLyBBFwWKVMhfwaEF3WOd0Zlw86U/WC/+nYw==",
       "dev": true,
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-        "assert-plus": "1.0.0",
+        "assert-plus": "^1.0.0",
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+          "integrity": "sha512-NfJ4UzBCcQGLDlQq7nHxH+tv3kyZ0hHQqF5BO6J7tNJeP5do1llPr8dZ8zHonfhAu0PHAdMkSo+8o0wxg9lZWw==",
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@@ -3798,9 +3855,9 @@
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-      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
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diff --git a/package.json b/package.json
index 73c6822..9ee9d39 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
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     "babel-minify": "^0.2.0",
     "babel-preset-env": "^1.6.1",
-    "coveralls": "^2.11.2",
+    "coveralls": "^2.13.3",
     "istanbul": "^0.3.13",
     "jasmine": "^2.3.1"
   },