diff --git a/package-lock.json b/package-lock.json
index 1159785..be18e93 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,89 +4,117 @@
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@@ -101,14 +129,15 @@
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@@ -118,19 +147,30 @@
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@@ -142,9 +182,9 @@
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@@ -153,37 +193,89 @@
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@@ -193,28 +285,60 @@
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-      "optional": true,
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@@ -222,33 +346,72 @@
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-      "resolved": "https://registry.npmjs.org/request-progress/-/request-progress-0.3.1.tgz",
-      "integrity": "sha1-ByHBBdipasayzossia4tXs/Pazo=",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/request-progress/-/request-progress-2.0.1.tgz",
+      "integrity": "sha1-XTa7V5YcZzqlt4jbyBQf3yO0Tgg=",
       "optional": true,
       "requires": {
-        "throttleit": "~0.0.2"
+        "throttleit": "^1.0.0"
       }
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-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.1.tgz",
-      "integrity": "sha1-wjOOxkPfeht/5cVPqG9XQopV8z0=",
+      "version": "2.6.3",
+      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
+      "integrity": "sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==",
       "optional": true,
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-        "glob": "^7.0.5"
+        "glob": "^7.1.3"
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-    "semver": {
-      "version": "4.3.6",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-4.3.6.tgz",
-      "integrity": "sha1-MAvG4OhjdPe6YQaLWx7NV/xlMto=",
+    "safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
       "optional": true
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@@ -675,12 +886,37 @@
       "dev": true
     },
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-      "version": "0.2.4",
-      "resolved": "https://registry.npmjs.org/sntp/-/sntp-0.2.4.tgz",
-      "integrity": "sha1-+4hfGLDzqtGJ+CSGJTa87ux1CQA=",
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/sntp/-/sntp-1.0.9.tgz",
+      "integrity": "sha1-ZUEYTMkK7qbG57NeJlkIJEPGYZg=",
       "optional": true,
       "requires": {
-        "hoek": "0.9.x"
+        "hoek": "2.x.x"
+      }
+    },
+    "sshpk": {
+      "version": "1.16.1",
+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
+      "integrity": "sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==",
+      "optional": true,
+      "requires": {
+        "asn1": "~0.2.3",
+        "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",
+        "tweetnacl": "~0.14.0"
+      },
+      "dependencies": {
+        "assert-plus": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
+          "optional": true
+        }
       }
     },
     "string_decoder": {
@@ -690,25 +926,37 @@
       "optional": true
     },
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-      "version": "0.0.5",
-      "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.5.tgz",
-      "integrity": "sha1-TkhM1N5aC7vuGORjB3EKioFiGHg=",
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.6.tgz",
+      "integrity": "sha512-87GEBAkegbBcweToUrdzf3eLhWNg06FJTebl4BVJz/JgWy8CvEr9dRtX5qWphiynMSQlxxi+QqN0z5T32SLlhA==",
+      "optional": true
+    },
+    "strip-ansi": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+      "optional": true,
+      "requires": {
+        "ansi-regex": "^2.0.0"
+      }
+    },
+    "supports-color": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+      "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
       "optional": true
     },
     "throttleit": {
-      "version": "0.0.2",
-      "resolved": "https://registry.npmjs.org/throttleit/-/throttleit-0.0.2.tgz",
-      "integrity": "sha1-z+34jmDADdlpe2H90qg0OptoDq8=",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/throttleit/-/throttleit-1.0.0.tgz",
+      "integrity": "sha1-nnhYNtr0Z0MUWlmEtiaNgoUorGw=",
       "optional": true
     },
     "tough-cookie": {
-      "version": "2.3.2",
-      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.2.tgz",
-      "integrity": "sha1-8IH3bkyFcg5sN6X6ztc3FQ2EByo=",
-      "optional": true,
-      "requires": {
-        "punycode": "^1.4.1"
-      }
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.2.2.tgz",
+      "integrity": "sha1-yDoYMPTl7wuT7yo0iOck+N4Basc=",
+      "optional": true
     },
     "tunnel-agent": {
       "version": "0.4.3",
@@ -716,23 +964,72 @@
       "integrity": "sha1-Y3PbdpCf5XDgjXNYM2Xtgop07us=",
       "optional": true
     },
-    "uid-number": {
-      "version": "0.0.5",
-      "resolved": "https://registry.npmjs.org/uid-number/-/uid-number-0.0.5.tgz",
-      "integrity": "sha1-Wj2yPvXb1VuB/ODsmirG/M3ruB4=",
+    "tweetnacl": {
+      "version": "0.14.5",
+      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
       "optional": true
     },
-    "which": {
-      "version": "1.0.9",
-      "resolved": "https://registry.npmjs.org/which/-/which-1.0.9.tgz",
-      "integrity": "sha1-RgwdoPgQED0DIam2M6+eV15kSG8=",
+    "typedarray": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
+      "optional": true
+    },
+    "util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
       "optional": true
     },
+    "verror": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
+      "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
+      "optional": true,
+      "requires": {
+        "assert-plus": "^1.0.0",
+        "core-util-is": "1.0.2",
+        "extsprintf": "^1.2.0"
+      },
+      "dependencies": {
+        "assert-plus": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
+          "optional": true
+        }
+      }
+    },
+    "which": {
+      "version": "1.2.14",
+      "resolved": "https://registry.npmjs.org/which/-/which-1.2.14.tgz",
+      "integrity": "sha1-mofEN48D6CfOyvGs31bHNsAcFOU=",
+      "optional": true,
+      "requires": {
+        "isexe": "^2.0.0"
+      }
+    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "optional": true
+    },
+    "xtend": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
+      "optional": true
+    },
+    "yauzl": {
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.4.1.tgz",
+      "integrity": "sha1-lSj0QtqxsihOWLQ3m7GU4i4MQAU=",
+      "optional": true,
+      "requires": {
+        "fd-slicer": "~1.0.1"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 38a535e..fe41e36 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "object-assign": "4.1.1"
   },
   "optionalDependencies": {
-    "phantomjs": "1.9.15"
+    "phantomjs": "1.9.20"
   },
   "devDependencies": {
     "mocha": "2.1.0",