diff --git a/package-lock.json b/package-lock.json
index 04cf215..2465f60 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -130,7 +130,7 @@
         "qs": {
           "version": "6.3.2",
           "resolved": "https://registry.npmjs.org/qs/-/qs-6.3.2.tgz",
-          "integrity": "sha1-51vV9uJoEioqDgvaYwslUMFmUCw="
+          "integrity": "sha512-H7Es34wXu+JjuD3QLwVgqtVU1nisFhwxYdYCYSFzWyP5/S4s8DtJ6rbVWdHVat/UPYiV36wxYmL7rPbLQJrX7g=="
         },
         "request": {
           "version": "2.79.0",
@@ -511,7 +511,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.1.1",
@@ -554,7 +555,8 @@
         },
         "balanced-match": {
           "version": "0.4.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "bcrypt-pbkdf": {
           "version": "1.0.1",
@@ -567,6 +569,7 @@
         "block-stream": {
           "version": "0.0.9",
           "bundled": true,
+          "optional": true,
           "requires": {
             "inherits": "2.0.3"
           }
@@ -574,6 +577,7 @@
         "boom": {
           "version": "2.10.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "hoek": "2.16.3"
           }
@@ -581,6 +585,7 @@
         "brace-expansion": {
           "version": "1.1.7",
           "bundled": true,
+          "optional": true,
           "requires": {
             "balanced-match": "0.4.2",
             "concat-map": "0.0.1"
@@ -588,7 +593,8 @@
         },
         "buffer-shims": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "caseless": {
           "version": "0.12.0",
@@ -602,26 +608,31 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "combined-stream": {
           "version": "1.0.5",
           "bundled": true,
+          "optional": true,
           "requires": {
             "delayed-stream": "1.0.0"
           }
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "cryptiles": {
           "version": "2.0.5",
@@ -661,7 +672,8 @@
         },
         "delayed-stream": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "delegates": {
           "version": "1.0.0",
@@ -683,7 +695,8 @@
         },
         "extsprintf": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "forever-agent": {
           "version": "0.6.1",
@@ -702,11 +715,13 @@
         },
         "fs.realpath": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "fstream": {
           "version": "1.0.11",
           "bundled": true,
+          "optional": true,
           "requires": {
             "graceful-fs": "4.1.11",
             "inherits": "2.0.3",
@@ -757,6 +772,7 @@
         "glob": {
           "version": "7.1.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "fs.realpath": "1.0.0",
             "inflight": "1.0.6",
@@ -768,7 +784,8 @@
         },
         "graceful-fs": {
           "version": "4.1.11",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "har-schema": {
           "version": "1.0.5",
@@ -802,7 +819,8 @@
         },
         "hoek": {
           "version": "2.16.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "http-signature": {
           "version": "1.1.1",
@@ -817,6 +835,7 @@
         "inflight": {
           "version": "1.0.6",
           "bundled": true,
+          "optional": true,
           "requires": {
             "once": "1.4.0",
             "wrappy": "1.0.2"
@@ -824,7 +843,8 @@
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.4",
@@ -834,6 +854,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -845,7 +866,8 @@
         },
         "isarray": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "isstream": {
           "version": "0.1.2",
@@ -908,11 +930,13 @@
         },
         "mime-db": {
           "version": "1.27.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "mime-types": {
           "version": "2.1.15",
           "bundled": true,
+          "optional": true,
           "requires": {
             "mime-db": "1.27.0"
           }
@@ -920,17 +944,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.7"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -978,7 +1005,8 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "oauth-sign": {
           "version": "0.8.2",
@@ -993,6 +1021,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "wrappy": "1.0.2"
           }
@@ -1018,7 +1047,8 @@
         },
         "path-is-absolute": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "performance-now": {
           "version": "0.2.0",
@@ -1027,7 +1057,8 @@
         },
         "process-nextick-args": {
           "version": "1.0.7",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "punycode": {
           "version": "1.4.1",
@@ -1036,7 +1067,8 @@
         },
         "qs": {
           "version": "6.4.0",
-          "bundled": true,
+          "resolved": "https://registry.npmjs.org/qs/-/qs-6.4.0.tgz",
+          "integrity": "sha512-Qs6dfgR5OksK/PSxl1kGxiZgEQe8RqJMB9wZqVlKQfU+zzV+HY77pWJnoJENACKDQByWdpr8ZPIh1TBi4lpiSQ==",
           "optional": true
         },
         "rc": {
@@ -1060,6 +1092,7 @@
         "readable-stream": {
           "version": "2.2.9",
           "bundled": true,
+          "optional": true,
           "requires": {
             "buffer-shims": "1.0.0",
             "core-util-is": "1.0.2",
@@ -1102,13 +1135,15 @@
         "rimraf": {
           "version": "2.6.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "glob": "7.1.2"
           }
         },
         "safe-buffer": {
           "version": "5.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "semver": {
           "version": "5.3.0",
@@ -1156,22 +1191,24 @@
             }
           }
         },
-        "string_decoder": {
-          "version": "1.0.1",
-          "bundled": true,
-          "requires": {
-            "safe-buffer": "5.0.1"
-          }
-        },
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "1.1.0",
             "is-fullwidth-code-point": "1.0.0",
             "strip-ansi": "3.0.1"
           }
         },
+        "string_decoder": {
+          "version": "1.0.1",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "safe-buffer": "5.0.1"
+          }
+        },
         "stringstream": {
           "version": "0.0.5",
           "bundled": true,
@@ -1180,6 +1217,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -1192,6 +1230,7 @@
         "tar": {
           "version": "2.2.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "block-stream": "0.0.9",
             "fstream": "1.0.11",
@@ -1241,7 +1280,8 @@
         },
         "util-deprecate": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "uuid": {
           "version": "3.0.1",
@@ -1266,7 +1306,8 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
     },
@@ -1764,7 +1805,7 @@
     "qs": {
       "version": "6.2.3",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.2.3.tgz",
-      "integrity": "sha1-HPyyXBCpsrSDBT/zn138kjOQjP4="
+      "integrity": "sha512-AY4g8t3LMboim0t6XWFdz6J5OuJ1ZNYu54SXihS/OMpgyCqYmcAJnWqkNSOjSjWmq3xxy+GF9uWQI2lI/7tKIA=="
     },
     "randomatic": {
       "version": "1.1.7",