diff --git a/package-lock.json b/package-lock.json
index a094a04..545255f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1240,6 +1240,13 @@
         "readdirp": "^2.0.0"
       }
     },
+    "chownr": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.2.tgz",
+      "integrity": "sha512-GkfeAQh+QNy3wquu9oIZr6SS5x7wGdSgNQvD10X3r+AZr1Oys22HW8kAmDMvNg2+Dm0TeGaEuO8gFwdBXxwO8A==",
+      "dev": true,
+      "optional": true
+    },
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       "version": "0.3.3",
       "resolved": "https://registry.npmjs.org/circular-json/-/circular-json-0.3.3.tgz",
@@ -1891,7 +1898,7 @@
     },
     "eslint": {
       "version": "4.19.1",
-      "resolved": "http://registry.npmjs.org/eslint/-/eslint-4.19.1.tgz",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-4.19.1.tgz",
       "integrity": "sha512-bT3/1x1EbZB7phzYu7vCr1v3ONuzDtX8WjuM9c0iYxe+cq+pwcKEoQjl7zd3RpC6YOLgnSy3cTN58M2jcoPDIQ==",
       "dev": true,
       "requires": {
@@ -1999,7 +2006,7 @@
         },
         "espree": {
           "version": "3.5.4",
-          "resolved": "http://registry.npmjs.org/espree/-/espree-3.5.4.tgz",
+          "resolved": "https://registry.npmjs.org/espree/-/espree-3.5.4.tgz",
           "integrity": "sha512-yAcIQxtmMiB/jL32dzEp2enBeidsB7xWPLNiw3IIkpVds1P+h7qF9YwJq1yUNzp2OKXgAprs4F61ih66UsoD1A==",
           "dev": true,
           "requires": {
@@ -2483,6 +2490,16 @@
         "mime-types": "^2.1.12"
       }
     },
+    "fs-minipass": {
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.7.tgz",
+      "integrity": "sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "minipass": "^2.6.0"
+      }
+    },
     "fs-readdir-recursive": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs-readdir-recursive/-/fs-readdir-recursive-1.0.0.tgz",
@@ -2515,7 +2532,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -2536,12 +2554,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -2549,24 +2569,25 @@
         },
         "chownr": {
           "version": "1.0.1",
-          "bundled": true,
-          "dev": true,
-          "optional": true
+          "bundled": true
         },
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -2604,8 +2625,6 @@
         "fs-minipass": {
           "version": "1.2.5",
           "bundled": true,
-          "dev": true,
-          "optional": true,
           "requires": {
             "minipass": "^2.2.1"
           }
@@ -2683,7 +2702,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -2695,6 +2715,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -2709,6 +2730,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -2716,12 +2738,12 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
-          "dev": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -2730,8 +2752,6 @@
         "minizlib": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true,
-          "optional": true,
           "requires": {
             "minipass": "^2.2.1"
           }
@@ -2740,6 +2760,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2820,7 +2841,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -2832,6 +2854,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -2916,8 +2939,7 @@
         },
         "safe-buffer": {
           "version": "5.1.1",
-          "bundled": true,
-          "dev": true
+          "bundled": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -2953,6 +2975,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -2972,6 +2995,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -2982,21 +3006,6 @@
           "dev": true,
           "optional": true
         },
-        "tar": {
-          "version": "4.4.1",
-          "bundled": true,
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "chownr": "^1.0.1",
-            "fs-minipass": "^1.2.5",
-            "minipass": "^2.2.4",
-            "minizlib": "^1.1.0",
-            "mkdirp": "^0.5.0",
-            "safe-buffer": "^5.1.1",
-            "yallist": "^3.0.2"
-          }
-        },
         "util-deprecate": {
           "version": "1.0.2",
           "bundled": true,
@@ -3015,12 +3024,12 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
-          "bundled": true,
-          "dev": true
+          "bundled": true
         }
       }
     },
@@ -3095,6 +3104,7 @@
       "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-2.0.0.tgz",
       "integrity": "sha1-gTg9ctsFT8zPUzbaqQLxgvbtuyg=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-glob": "^2.0.0"
       }
@@ -3310,7 +3320,8 @@
       "version": "1.1.5",
       "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.5.tgz",
       "integrity": "sha1-Hzsm72E7IUuIy8ojzGwB2Hlh7sw=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-dotfile": {
       "version": "1.0.3",
@@ -3340,7 +3351,8 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-1.0.0.tgz",
       "integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA=",
-      "dev": true
+      "dev": true,
+      "optional": true
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     "is-finite": {
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@@ -3365,6 +3377,7 @@
       "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-2.0.1.tgz",
       "integrity": "sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-extglob": "^1.0.0"
       }
@@ -3639,6 +3652,7 @@
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
       "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-buffer": "^1.1.5"
       }
@@ -3786,7 +3800,7 @@
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true,
           "optional": true
@@ -3891,6 +3905,43 @@
       "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
       "dev": true
     },
+    "minipass": {
+      "version": "2.6.5",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.6.5.tgz",
+      "integrity": "sha512-ewSKOPFH9blOLXx0YSE+mbrNMBFPS+11a2b03QZ+P4LVrUHW/GAlqeYC7DBknDyMWkHzrzTpDhUvy7MUxqyrPA==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "safe-buffer": "^5.1.2",
+        "yallist": "^3.0.0"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+          "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==",
+          "dev": true,
+          "optional": true
+        },
+        "yallist": {
+          "version": "3.0.3",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.3.tgz",
+          "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==",
+          "dev": true,
+          "optional": true
+        }
+      }
+    },
+    "minizlib": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.2.2.tgz",
+      "integrity": "sha512-hR3At21uSrsjjDTWrbu0IMLTpnkpv8IIMFDFaoz43Tmu4LkmAXfH44vNNzpTnf+OAQQCHrb91y/wc2J4x5XgSQ==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "minipass": "^2.2.1"
+      }
+    },
     "mkdirp": {
       "version": "0.5.1",
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
@@ -3921,7 +3972,7 @@
       "dependencies": {
         "commander": {
           "version": "2.15.1",
-          "resolved": "http://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
           "integrity": "sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag==",
           "dev": true
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@@ -3994,6 +4045,7 @@
       "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
       "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
       "dev": true,
+      "optional": true,
       "requires": {
         "remove-trailing-separator": "^1.0.1"
       }
@@ -4091,6 +4143,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2",
             "longest": "^1.0.1",
@@ -4415,7 +4468,8 @@
         "is-buffer": {
           "version": "1.1.6",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "is-builtin-module": {
           "version": "1.0.0",
@@ -4499,6 +4553,7 @@
           "version": "3.2.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "is-buffer": "^1.1.5"
           }
@@ -4545,7 +4600,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "lru-cache": {
           "version": "4.1.3",
@@ -4811,7 +4867,8 @@
         "repeat-string": {
           "version": "1.6.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "require-directory": {
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@@ -5486,7 +5543,7 @@
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         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
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@@ -5739,13 +5796,15 @@
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       "resolved": "https://registry.npmjs.org/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz",
       "integrity": "sha1-wkvOKig62tW8P1jg1IJJuSN52O8=",
-      "dev": true
+      "dev": true,
+      "optional": true
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     "repeat-element": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/repeat-element/-/repeat-element-1.1.2.tgz",
       "integrity": "sha1-7wiaF40Ug7quTZPrmLT55OEdmQo=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "repeat-string": {
       "version": "1.6.1",
@@ -6431,6 +6490,38 @@
         }
       }
     },
+    "tar": {
+      "version": "4.4.11",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.11.tgz",
+      "integrity": "sha512-iI4zh3ktLJKaDNZKZc+fUONiQrSn9HkCFzamtb7k8FFmVilHVob7QsLX/VySAW8lAviMzMbFw4QtFb4errwgYA==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "chownr": "^1.1.1",
+        "fs-minipass": "^1.2.5",
+        "minipass": "^2.6.4",
+        "minizlib": "^1.2.1",
+        "mkdirp": "^0.5.0",
+        "safe-buffer": "^5.1.2",
+        "yallist": "^3.0.3"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+          "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==",
+          "dev": true,
+          "optional": true
+        },
+        "yallist": {
+          "version": "3.0.3",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.3.tgz",
+          "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==",
+          "dev": true,
+          "optional": true
+        }
+      }
+    },
     "testdouble": {
       "version": "3.8.2",
       "resolved": "https://registry.npmjs.org/testdouble/-/testdouble-3.8.2.tgz",
@@ -6627,7 +6718,7 @@
         },
         "espree": {
           "version": "3.5.4",
-          "resolved": "http://registry.npmjs.org/espree/-/espree-3.5.4.tgz",
+          "resolved": "https://registry.npmjs.org/espree/-/espree-3.5.4.tgz",
           "integrity": "sha512-yAcIQxtmMiB/jL32dzEp2enBeidsB7xWPLNiw3IIkpVds1P+h7qF9YwJq1yUNzp2OKXgAprs4F61ih66UsoD1A==",
           "dev": true,
           "requires": {