diff --git a/package-lock.json b/package-lock.json
index a0096e8..99f8f14 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1230,8 +1230,8 @@
       "dev": true,
       "optional": true,
       "requires": {
-        "nan": "2.11.0",
-        "node-pre-gyp": "0.10.0"
+        "nan": "^2.9.2",
+        "node-pre-gyp": "^0.10.0"
       },
       "dependencies": {
         "abbrev": {
@@ -1258,8 +1258,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "delegates": "1.0.0",
-            "readable-stream": "2.3.6"
+            "delegates": "^1.0.0",
+            "readable-stream": "^2.0.6"
           }
         },
         "balanced-match": {
@@ -1274,7 +1274,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "balanced-match": "1.0.0",
+            "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
           }
         },
@@ -1341,7 +1341,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "minipass": "2.2.4"
+            "minipass": "^2.2.1"
           }
         },
         "fs.realpath": {
@@ -1356,14 +1356,14 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "aproba": "1.2.0",
-            "console-control-strings": "1.1.0",
-            "has-unicode": "2.0.1",
-            "object-assign": "4.1.1",
-            "signal-exit": "3.0.2",
-            "string-width": "1.0.2",
-            "strip-ansi": "3.0.1",
-            "wide-align": "1.1.2"
+            "aproba": "^1.0.3",
+            "console-control-strings": "^1.0.0",
+            "has-unicode": "^2.0.0",
+            "object-assign": "^4.1.0",
+            "signal-exit": "^3.0.0",
+            "string-width": "^1.0.1",
+            "strip-ansi": "^3.0.1",
+            "wide-align": "^1.1.0"
           }
         },
         "glob": {
@@ -1372,12 +1372,12 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "fs.realpath": "1.0.0",
-            "inflight": "1.0.6",
-            "inherits": "2.0.3",
-            "minimatch": "3.0.4",
-            "once": "1.4.0",
-            "path-is-absolute": "1.0.1"
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
           }
         },
         "has-unicode": {
@@ -1392,7 +1392,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "safer-buffer": "2.1.2"
+            "safer-buffer": "^2.1.0"
           }
         },
         "ignore-walk": {
@@ -1401,7 +1401,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "minimatch": "3.0.4"
+            "minimatch": "^3.0.4"
           }
         },
         "inflight": {
@@ -1410,8 +1410,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "once": "1.4.0",
-            "wrappy": "1.0.2"
+            "once": "^1.3.0",
+            "wrappy": "1"
           }
         },
         "inherits": {
@@ -1432,7 +1432,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "number-is-nan": "^1.0.0"
           }
         },
         "isarray": {
@@ -1447,13 +1447,12 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "brace-expansion": "1.1.11"
+            "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
-          "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-          "integrity": "sha512-7Wl+Jz+IGWuSdgsQEJ4JunV0si/iMhg42MnQQG6h1R6TNeVenp4U9x5CC5v/gYqz/fENLQITAWXidNtVL0NNbw==",
+          "version": "0.0.8",
+          "bundled": true,
           "dev": true,
           "optional": true
         },
@@ -1463,8 +1462,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "safe-buffer": "5.1.1",
-            "yallist": "3.0.2"
+            "safe-buffer": "^5.1.1",
+            "yallist": "^3.0.0"
           }
         },
         "minizlib": {
@@ -1473,7 +1472,16 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "minipass": "2.2.4"
+            "minipass": "^2.2.1"
+          }
+        },
+        "mkdirp": {
+          "version": "0.5.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "minimist": "0.0.8"
           }
         },
         "ms": {
@@ -1488,9 +1496,9 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "debug": "2.6.9",
-            "iconv-lite": "0.4.21",
-            "sax": "1.2.4"
+            "debug": "^2.1.2",
+            "iconv-lite": "^0.4.4",
+            "sax": "^1.2.4"
           }
         },
         "node-pre-gyp": {
@@ -1499,16 +1507,16 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "detect-libc": "1.0.3",
-            "mkdirp": "0.5.1",
-            "needle": "2.2.0",
-            "nopt": "4.0.1",
-            "npm-packlist": "1.1.10",
-            "npmlog": "4.1.2",
-            "rc": "1.2.7",
-            "rimraf": "2.6.2",
-            "semver": "5.5.0",
-            "tar": "4.4.1"
+            "detect-libc": "^1.0.2",
+            "mkdirp": "^0.5.1",
+            "needle": "^2.2.0",
+            "nopt": "^4.0.1",
+            "npm-packlist": "^1.1.6",
+            "npmlog": "^4.0.2",
+            "rc": "^1.1.7",
+            "rimraf": "^2.6.1",
+            "semver": "^5.3.0",
+            "tar": "^4"
           }
         },
         "nopt": {
@@ -1517,8 +1525,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "abbrev": "1.1.1",
-            "osenv": "0.1.5"
+            "abbrev": "1",
+            "osenv": "^0.1.4"
           }
         },
         "npm-bundled": {
@@ -1533,8 +1541,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "ignore-walk": "3.0.1",
-            "npm-bundled": "1.0.3"
+            "ignore-walk": "^3.0.1",
+            "npm-bundled": "^1.0.1"
           }
         },
         "npmlog": {
@@ -1543,10 +1551,10 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "are-we-there-yet": "1.1.4",
-            "console-control-strings": "1.1.0",
-            "gauge": "2.7.4",
-            "set-blocking": "2.0.0"
+            "are-we-there-yet": "~1.1.2",
+            "console-control-strings": "~1.1.0",
+            "gauge": "~2.7.3",
+            "set-blocking": "~2.0.0"
           }
         },
         "number-is-nan": {
@@ -1567,7 +1575,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "wrappy": "1.0.2"
+            "wrappy": "1"
           }
         },
         "os-homedir": {
@@ -1588,8 +1596,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "os-homedir": "1.0.2",
-            "os-tmpdir": "1.0.2"
+            "os-homedir": "^1.0.0",
+            "os-tmpdir": "^1.0.0"
           }
         },
         "path-is-absolute": {
@@ -1610,10 +1618,18 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "deep-extend": "0.5.1",
-            "ini": "1.3.5",
-            "minimist": "1.2.0",
-            "strip-json-comments": "2.0.1"
+            "deep-extend": "^0.5.1",
+            "ini": "~1.3.0",
+            "minimist": "^1.2.0",
+            "strip-json-comments": "~2.0.1"
+          },
+          "dependencies": {
+            "minimist": {
+              "version": "1.2.0",
+              "bundled": true,
+              "dev": true,
+              "optional": true
+            }
           }
         },
         "readable-stream": {
@@ -1622,13 +1638,13 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "core-util-is": "1.0.2",
-            "inherits": "2.0.3",
-            "isarray": "1.0.0",
-            "process-nextick-args": "2.0.0",
-            "safe-buffer": "5.1.1",
-            "string_decoder": "1.1.1",
-            "util-deprecate": "1.0.2"
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
           }
         },
         "rimraf": {
@@ -1637,7 +1653,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "glob": "7.1.2"
+            "glob": "^7.0.5"
           }
         },
         "safe-buffer": {
@@ -1682,9 +1698,9 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "code-point-at": "1.1.0",
-            "is-fullwidth-code-point": "1.0.0",
-            "strip-ansi": "3.0.1"
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
           }
         },
         "string_decoder": {
@@ -1693,7 +1709,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "safe-buffer": "5.1.1"
+            "safe-buffer": "~5.1.0"
           }
         },
         "strip-ansi": {
@@ -1702,7 +1718,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "ansi-regex": "2.1.1"
+            "ansi-regex": "^2.0.0"
           }
         },
         "strip-json-comments": {
@@ -1717,13 +1733,13 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "chownr": "1.0.1",
-            "fs-minipass": "1.2.5",
-            "minipass": "2.2.4",
-            "minizlib": "1.1.0",
-            "mkdirp": "0.5.1",
-            "safe-buffer": "5.1.1",
-            "yallist": "3.0.2"
+            "chownr": "^1.0.1",
+            "fs-minipass": "^1.2.5",
+            "minipass": "^2.2.4",
+            "minizlib": "^1.1.0",
+            "mkdirp": "^0.5.0",
+            "safe-buffer": "^5.1.1",
+            "yallist": "^3.0.2"
           }
         },
         "util-deprecate": {
@@ -1738,7 +1754,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "string-width": "1.0.2"
+            "string-width": "^1.0.2"
           }
         },
         "wrappy": {