diff --git a/package-lock.json b/package-lock.json
index 1dc0e4a..dd5d9a3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,10 +16,10 @@
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-      "dev": true,
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@@ -145,24 +129,18 @@
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-        "readable-stream": "^2.2.2",
-        "typedarray": "^0.0.6"
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+            "safe-buffer": "5.1.2"
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@@ -209,7 +187,7 @@
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@@ -218,7 +196,7 @@
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+            "hoek": "4.2.1"
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@@ -229,7 +207,7 @@
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@@ -238,7 +216,7 @@
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@@ -275,36 +253,111 @@
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-        "electron-download": "^3.0.1",
-        "extract-zip": "^1.0.3"
+        "@types/node": "8.10.12",
+        "electron-download": "4.1.1",
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@@ -312,15 +365,9 @@
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       "dev": true,
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-        "minimatch": "^3.0.4",
-        "once": "^1.3.0",
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+        "ajv": "5.5.2",
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-        "cryptiles": "3.x.x",
-        "hoek": "4.x.x",
-        "sntp": "2.x.x"
+        "boom": "4.3.1",
+        "cryptiles": "3.1.2",
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       "dev": true,
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@@ -666,8 +646,8 @@
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       "dev": true,
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-        "signal-exit": "^3.0.0"
+        "currently-unhandled": "0.4.1",
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@@ -682,16 +662,16 @@
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       "dev": true,
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-        "minimist": "^1.1.3",
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-        "object-assign": "^4.0.1",
-        "read-pkg-up": "^1.0.1",
-        "redent": "^1.0.0",
-        "trim-newlines": "^1.0.0"
+        "camelcase-keys": "2.1.0",
+        "decamelize": "1.2.0",
+        "loud-rejection": "1.6.0",
+        "map-obj": "1.0.1",
+        "minimist": "1.2.0",
+        "normalize-package-data": "2.4.0",
+        "object-assign": "4.1.1",
+        "read-pkg-up": "1.0.1",
+        "redent": "1.0.0",
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@@ -706,16 +686,7 @@
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-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
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-      "dev": true,
-      "requires": {
-        "brace-expansion": "^1.1.7"
+        "mime-db": "1.33.0"
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@@ -753,10 +724,10 @@
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       "dev": true,
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-        "is-builtin-module": "^1.0.0",
-        "semver": "2 || 3 || 4 || 5",
-        "validate-npm-package-license": "^3.0.1"
+        "hosted-git-info": "2.6.0",
+        "is-builtin-module": "1.0.0",
+        "semver": "5.5.0",
+        "validate-npm-package-license": "3.0.3"
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@@ -765,12 +736,12 @@
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       "dev": true,
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-        "pretty-bytes": "^1.0.2",
-        "progress-stream": "^1.1.0",
-        "request": "^2.45.0",
-        "single-line-log": "^1.1.2",
+        "debug": "2.6.9",
+        "minimist": "1.2.0",
+        "pretty-bytes": "1.0.4",
+        "progress-stream": "1.2.0",
+        "request": "2.85.0",
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@@ -798,22 +769,13 @@
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-      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
-      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
-      "dev": true,
-      "requires": {
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       "integrity": "sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=",
       "dev": true,
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-        "error-ex": "^1.2.0"
+        "error-ex": "1.3.1"
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@@ -822,24 +784,18 @@
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       "dev": true,
       "requires": {
-        "pinkie-promise": "^2.0.0"
+        "pinkie-promise": "2.0.1"
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-    "path-is-absolute": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
-      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
-      "dev": true
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       "integrity": "sha1-WcRPfuSR2nBNpBXaWkBwuk+P5EE=",
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-        "graceful-fs": "^4.1.2",
-        "pify": "^2.0.0",
-        "pinkie-promise": "^2.0.0"
+        "graceful-fs": "4.1.11",
+        "pify": "2.3.0",
+        "pinkie-promise": "2.0.1"
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@@ -872,7 +828,7 @@
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       "dev": true,
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-        "pinkie": "^2.0.0"
+        "pinkie": "2.0.4"
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@@ -881,8 +837,8 @@
       "integrity": "sha1-CiLoIQYJrTVUL4yNXSFZr/B1HIQ=",
       "dev": true,
       "requires": {
-        "get-stdin": "^4.0.1",
-        "meow": "^3.1.0"
+        "get-stdin": "4.0.1",
+        "meow": "3.7.0"
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@@ -897,8 +853,8 @@
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       "dev": true,
       "requires": {
-        "speedometer": "~0.1.2",
-        "through2": "~0.2.3"
+        "speedometer": "0.1.4",
+        "through2": "0.2.3"
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@@ -919,10 +875,10 @@
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-        "ini": "~1.3.0",
-        "minimist": "^1.2.0",
-        "strip-json-comments": "~2.0.1"
+        "deep-extend": "0.5.1",
+        "ini": "1.3.5",
+        "minimist": "1.2.0",
+        "strip-json-comments": "2.0.1"
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@@ -931,9 +887,9 @@
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-        "load-json-file": "^1.0.0",
-        "normalize-package-data": "^2.3.2",
-        "path-type": "^1.0.0"
+        "load-json-file": "1.1.0",
+        "normalize-package-data": "2.4.0",
+        "path-type": "1.1.0"
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@@ -942,8 +898,8 @@
       "integrity": "sha1-nWPBMnbAZZGNV/ACpX9AobZD+wI=",
       "dev": true,
       "requires": {
-        "find-up": "^1.0.0",
-        "read-pkg": "^1.0.0"
+        "find-up": "1.1.2",
+        "read-pkg": "1.1.0"
       }
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@@ -952,10 +908,10 @@
       "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
       "dev": true,
       "requires": {
-        "core-util-is": "~1.0.0",
-        "inherits": "~2.0.1",
+        "core-util-is": "1.0.2",
+        "inherits": "2.0.3",
         "isarray": "0.0.1",
-        "string_decoder": "~0.10.x"
+        "string_decoder": "0.10.31"
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@@ -964,8 +920,8 @@
       "integrity": "sha1-z5Fqsf1fHxbfsggi3W7H9zDCr94=",
       "dev": true,
       "requires": {
-        "indent-string": "^2.1.0",
-        "strip-indent": "^1.0.1"
+        "indent-string": "2.1.0",
+        "strip-indent": "1.0.1"
       }
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@@ -974,7 +930,7 @@
       "integrity": "sha1-UhTFOpJtNVJwdSf7q0FdvAjQbdo=",
       "dev": true,
       "requires": {
-        "is-finite": "^1.0.0"
+        "is-finite": "1.0.2"
       }
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     "request": {
@@ -983,37 +939,28 @@
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       "dev": true,
       "requires": {
-        "aws-sign2": "~0.7.0",
-        "aws4": "^1.6.0",
-        "caseless": "~0.12.0",
-        "combined-stream": "~1.0.5",
-        "extend": "~3.0.1",
-        "forever-agent": "~0.6.1",
-        "form-data": "~2.3.1",
-        "har-validator": "~5.0.3",
-        "hawk": "~6.0.2",
-        "http-signature": "~1.2.0",
-        "is-typedarray": "~1.0.0",
-        "isstream": "~0.1.2",
-        "json-stringify-safe": "~5.0.1",
-        "mime-types": "~2.1.17",
-        "oauth-sign": "~0.8.2",
-        "performance-now": "^2.1.0",
-        "qs": "~6.5.1",
-        "safe-buffer": "^5.1.1",
-        "stringstream": "~0.0.5",
-        "tough-cookie": "~2.3.3",
-        "tunnel-agent": "^0.6.0",
-        "uuid": "^3.1.0"
-      }
-    },
-    "rimraf": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.2.tgz",
-      "integrity": "sha512-lreewLK/BlghmxtfH36YYVg1i8IAce4TI7oao75I1g245+6BctqTVQiBP3YUJ9C6DQOXJmkYR9X9fCLtCOJc5w==",
-      "dev": true,
-      "requires": {
-        "glob": "^7.0.5"
+        "aws-sign2": "0.7.0",
+        "aws4": "1.7.0",
+        "caseless": "0.12.0",
+        "combined-stream": "1.0.6",
+        "extend": "3.0.1",
+        "forever-agent": "0.6.1",
+        "form-data": "2.3.2",
+        "har-validator": "5.0.3",
+        "hawk": "6.0.2",
+        "http-signature": "1.2.0",
+        "is-typedarray": "1.0.0",
+        "isstream": "0.1.2",
+        "json-stringify-safe": "5.0.1",
+        "mime-types": "2.1.18",
+        "oauth-sign": "0.8.2",
+        "performance-now": "2.1.0",
+        "qs": "6.5.2",
+        "safe-buffer": "5.1.2",
+        "stringstream": "0.0.6",
+        "tough-cookie": "2.3.4",
+        "tunnel-agent": "0.6.0",
+        "uuid": "3.2.1"
       }
     },
     "safe-buffer": {
@@ -1040,7 +987,7 @@
       "integrity": "sha1-wvg/Jzo+GhbtsJlWYdoO1e8DM2Q=",
       "dev": true,
       "requires": {
-        "string-width": "^1.0.1"
+        "string-width": "1.0.2"
       }
     },
     "sntp": {
@@ -1049,7 +996,7 @@
       "integrity": "sha512-FL1b58BDrqS3A11lJ0zEdnJ3UOKqVxawAkF3k7F0CVN7VQ34aZrV+G8BZ1WC9ZL7NyrwsW0oviwsWDgRuVYtJg==",
       "dev": true,
       "requires": {
-        "hoek": "4.x.x"
+        "hoek": "4.2.1"
       }
     },
     "spdx-correct": {
@@ -1058,8 +1005,8 @@
       "integrity": "sha512-N19o9z5cEyc8yQQPukRCZ9EUmb4HUpnrmaL/fxS2pBo2jbfcFRVuFZ/oFC+vZz0MNNk0h80iMn5/S6qGZOL5+g==",
       "dev": true,
       "requires": {
-        "spdx-expression-parse": "^3.0.0",
-        "spdx-license-ids": "^3.0.0"
+        "spdx-expression-parse": "3.0.0",
+        "spdx-license-ids": "3.0.0"
       }
     },
     "spdx-exceptions": {
@@ -1074,8 +1021,8 @@
       "integrity": "sha512-Yg6D3XpRD4kkOmTpdgbUiEJFKghJH03fiC1OPll5h/0sO6neh2jqRDVHOQ4o/LMea0tgCkbMgea5ip/e+MkWyg==",
       "dev": true,
       "requires": {
-        "spdx-exceptions": "^2.1.0",
-        "spdx-license-ids": "^3.0.0"
+        "spdx-exceptions": "2.1.0",
+        "spdx-license-ids": "3.0.0"
       }
     },
     "spdx-license-ids": {
@@ -1096,14 +1043,14 @@
       "integrity": "sha1-Ew9Zde3a2WPx1W+SuaxsUfqfg+s=",
       "dev": 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",
-        "tweetnacl": "~0.14.0"
+        "asn1": "0.2.3",
+        "assert-plus": "1.0.0",
+        "bcrypt-pbkdf": "1.0.1",
+        "dashdash": "1.14.1",
+        "ecc-jsbn": "0.1.1",
+        "getpass": "0.1.7",
+        "jsbn": "0.1.1",
+        "tweetnacl": "0.14.5"
       }
     },
     "string-width": {
@@ -1112,9 +1059,9 @@
       "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
       "dev": true,
       "requires": {
-        "code-point-at": "^1.0.0",
-        "is-fullwidth-code-point": "^1.0.0",
-        "strip-ansi": "^3.0.0"
+        "code-point-at": "1.1.0",
+        "is-fullwidth-code-point": "1.0.0",
+        "strip-ansi": "3.0.1"
       }
     },
     "string_decoder": {
@@ -1135,7 +1082,7 @@
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "dev": true,
       "requires": {
-        "ansi-regex": "^2.0.0"
+        "ansi-regex": "2.1.1"
       }
     },
     "strip-bom": {
@@ -1144,7 +1091,7 @@
       "integrity": "sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=",
       "dev": true,
       "requires": {
-        "is-utf8": "^0.2.0"
+        "is-utf8": "0.2.1"
       }
     },
     "strip-indent": {
@@ -1153,7 +1100,7 @@
       "integrity": "sha1-DHlipq3vp7vUrDZkYKY4VSrhoKI=",
       "dev": true,
       "requires": {
-        "get-stdin": "^4.0.1"
+        "get-stdin": "4.0.1"
       }
     },
     "strip-json-comments": {
@@ -1162,16 +1109,6 @@
       "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
       "dev": true
     },
-    "sumchecker": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/sumchecker/-/sumchecker-1.3.1.tgz",
-      "integrity": "sha1-ebs7RFbdBPGOvbwNcDodHa7FEF0=",
-      "dev": true,
-      "requires": {
-        "debug": "^2.2.0",
-        "es6-promise": "^4.0.5"
-      }
-    },
     "throttleit": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/throttleit/-/throttleit-0.0.2.tgz",
@@ -1184,8 +1121,8 @@
       "integrity": "sha1-6zKE2k6jEbbMis42U3SKUqvyWj8=",
       "dev": true,
       "requires": {
-        "readable-stream": "~1.1.9",
-        "xtend": "~2.1.1"
+        "readable-stream": "1.1.14",
+        "xtend": "2.1.2"
       }
     },
     "tough-cookie": {
@@ -1194,7 +1131,7 @@
       "integrity": "sha512-TZ6TTfI5NtZnuyy/Kecv+CnoROnyXn2DN97LontgQpCwsX2XyLYCC0ENhYkehSOwAp8rTQKc/NUIF7BkQ5rKLA==",
       "dev": true,
       "requires": {
-        "punycode": "^1.4.1"
+        "punycode": "1.4.1"
       }
     },
     "trim-newlines": {
@@ -1209,7 +1146,7 @@
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
       "dev": true,
       "requires": {
-        "safe-buffer": "^5.0.1"
+        "safe-buffer": "5.1.2"
       }
     },
     "tweetnacl": {
@@ -1225,6 +1162,12 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
       "dev": true
     },
+    "universalify": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+      "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
+      "dev": true
+    },
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -1243,8 +1186,8 @@
       "integrity": "sha512-63ZOUnL4SIXj4L0NixR3L1lcjO38crAbgrTpl28t8jjrfuiOBL5Iygm+60qPs/KsZGzPNg6Smnc/oY16QTjF0g==",
       "dev": true,
       "requires": {
-        "spdx-correct": "^3.0.0",
-        "spdx-expression-parse": "^3.0.0"
+        "spdx-correct": "3.0.0",
+        "spdx-expression-parse": "3.0.0"
       }
     },
     "verror": {
@@ -1253,24 +1196,18 @@
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
       "dev": true,
       "requires": {
-        "assert-plus": "^1.0.0",
+        "assert-plus": "1.0.0",
         "core-util-is": "1.0.2",
-        "extsprintf": "^1.2.0"
+        "extsprintf": "1.3.0"
       }
     },
-    "wrappy": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
-    },
     "xtend": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-2.1.2.tgz",
       "integrity": "sha1-bv7MKk2tjmlixJAbM3znuoe10os=",
       "dev": true,
       "requires": {
-        "object-keys": "~0.4.0"
+        "object-keys": "0.4.0"
       }
     },
     "yauzl": {
@@ -1279,7 +1216,7 @@
       "integrity": "sha1-lSj0QtqxsihOWLQ3m7GU4i4MQAU=",
       "dev": true,
       "requires": {
-        "fd-slicer": "~1.0.1"
+        "fd-slicer": "1.0.1"
       }
     }
   }
diff --git a/package.json b/package.json
index 47e2494..a546e3a 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,6 @@
   "author": "GitHub",
   "license": "CC0-1.0",
   "devDependencies": {
-    "electron": "^2.0.0"
+    "electron": "^3.0.0"
   }
 }