diff --git a/package-lock.json b/package-lock.json
index 9e4f9ec..6423ada 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -390,6 +390,7 @@
       "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.2.0.tgz",
       "integrity": "sha512-c+R/U5X+2zz2+UCrCFv6odQzJdoqI+YecuhnAJLa1zYaMc13zPfwMwZrr91Pd1DYNo/yPRbiM4WVf9whgwFsIg==",
       "dev": true,
+      "optional": true,
       "requires": {
         "es6-promisify": "^5.0.0"
       }
@@ -537,6 +538,7 @@
       "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.4.tgz",
       "integrity": "sha1-u13KOCu5TwXhUZQ3PRb9O6HKEQ0=",
       "dev": true,
+      "optional": true,
       "requires": {
         "delegates": "^1.0.0",
         "readable-stream": "^2.0.6"
@@ -1313,7 +1315,8 @@
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/buffer-more-ints/-/buffer-more-ints-0.0.2.tgz",
       "integrity": "sha1-JrOIXRD6E9t/wBquOquHAZngEkw=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "buffer-xor": {
       "version": "1.0.3",
@@ -1840,7 +1843,8 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
       "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "constants-browserify": {
       "version": "1.0.0",
@@ -2346,7 +2350,8 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
       "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "denodeify": {
       "version": "1.2.1",
@@ -2791,13 +2796,15 @@
       "version": "4.2.4",
       "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.2.4.tgz",
       "integrity": "sha512-/NdNZVJg+uZgtm9eS3O6lrOLYmQag2DjdEXuPaHlZ6RuVqgqaVZfgYCepEIKsLqwdQArOPtC3XzRLqGGfT8KQQ==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "es6-promisify": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz",
       "integrity": "sha1-UQnWLz5W6pZ8S2NQWu8IKRyKUgM=",
       "dev": true,
+      "optional": true,
       "requires": {
         "es6-promise": "^4.0.3"
       }
@@ -3430,6 +3437,16 @@
         "universalify": "^0.1.0"
       }
     },
+    "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-write-stream-atomic": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/fs-write-stream-atomic/-/fs-write-stream-atomic-1.0.10.tgz",
@@ -3468,7 +3485,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -3489,12 +3507,14 @@
         "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"
@@ -3502,24 +3522,25 @@
         },
         "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",
@@ -3557,8 +3578,6 @@
         "fs-minipass": {
           "version": "1.2.5",
           "bundled": true,
-          "dev": true,
-          "optional": true,
           "requires": {
             "minipass": "^2.2.1"
           }
@@ -3636,7 +3655,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -3648,6 +3668,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -3662,6 +3683,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -3669,12 +3691,12 @@
         "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"
@@ -3683,8 +3705,6 @@
         "minizlib": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true,
-          "optional": true,
           "requires": {
             "minipass": "^2.2.1"
           }
@@ -3693,6 +3713,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -3773,7 +3794,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -3785,6 +3807,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -3869,8 +3892,7 @@
         },
         "safe-buffer": {
           "version": "5.1.1",
-          "bundled": true,
-          "dev": true
+          "bundled": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -3906,6 +3928,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -3925,6 +3948,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -3935,21 +3959,6 @@
           "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,
@@ -3968,12 +3977,12 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
-          "bundled": true,
-          "dev": true
+          "bundled": true
         }
       }
     },
@@ -3982,6 +3991,7 @@
       "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.11.tgz",
       "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
       "dev": true,
+      "optional": true,
       "requires": {
         "graceful-fs": "^4.1.2",
         "inherits": "~2.0.0",
@@ -4040,6 +4050,7 @@
       "resolved": "https://registry.npmjs.org/gauge/-/gauge-2.7.4.tgz",
       "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
       "dev": true,
+      "optional": true,
       "requires": {
         "aproba": "^1.0.3",
         "console-control-strings": "^1.0.0",
@@ -4372,7 +4383,8 @@
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/has-unicode/-/has-unicode-2.0.1.tgz",
       "integrity": "sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "has-value": {
       "version": "1.0.0",
@@ -4663,6 +4675,7 @@
       "resolved": "https://registry.npmjs.org/http-proxy-agent/-/http-proxy-agent-2.1.0.tgz",
       "integrity": "sha512-qwHbBLV7WviBl0rQsOzH6o5lwyOIvwp/BdFnvVxXORldu5TmjFfjzBcWUWS5kWAZhmv+JtiDhSuQCp4sBfbIgg==",
       "dev": true,
+      "optional": true,
       "requires": {
         "agent-base": "4",
         "debug": "3.1.0"
@@ -4673,6 +4686,7 @@
           "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
           "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
           "dev": true,
+          "optional": true,
           "requires": {
             "ms": "2.0.0"
           }
@@ -4724,6 +4738,7 @@
       "resolved": "https://registry.npmjs.org/httpntlm/-/httpntlm-1.6.1.tgz",
       "integrity": "sha1-rQFScUOi6Hc8+uapb1hla7UqNLI=",
       "dev": true,
+      "optional": true,
       "requires": {
         "httpreq": ">=0.4.22",
         "underscore": "~1.7.0"
@@ -4733,7 +4748,8 @@
       "version": "0.4.24",
       "resolved": "https://registry.npmjs.org/httpreq/-/httpreq-0.4.24.tgz",
       "integrity": "sha1-QzX/2CzZaWaKOUZckprGHWOTYn8=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "https-browserify": {
       "version": "1.0.0",
@@ -4746,6 +4762,7 @@
       "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-2.2.1.tgz",
       "integrity": "sha512-HPCTS1LW51bcyMYbxUIOO4HEOlQ1/1qRaFWcyxvwaqUS9TY88aoEuHUY33kuAh1YhVVaDQhLZsnPd+XNARWZlQ==",
       "dev": true,
+      "optional": true,
       "requires": {
         "agent-base": "^4.1.0",
         "debug": "^3.1.0"
@@ -4756,6 +4773,7 @@
           "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
           "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
           "dev": true,
+          "optional": true,
           "requires": {
             "ms": "2.0.0"
           }
@@ -5713,13 +5731,15 @@
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/libbase64/-/libbase64-0.1.0.tgz",
       "integrity": "sha1-YjUag5VjrF/1vSbxL2Dpgwu3UeY=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "libmime": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/libmime/-/libmime-3.0.0.tgz",
       "integrity": "sha1-UaGp50SOy9Ms2lRCFnW7IbwJPaY=",
       "dev": true,
+      "optional": true,
       "requires": {
         "iconv-lite": "0.4.15",
         "libbase64": "0.1.0",
@@ -5730,7 +5750,8 @@
           "version": "0.4.15",
           "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.15.tgz",
           "integrity": "sha1-/iZaIYrGpXz+hUkn6dBMGYJe3es=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -5738,7 +5759,8 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/libqp/-/libqp-1.1.0.tgz",
       "integrity": "sha1-9ebgatdLeU+1tbZpiL9yjvHe2+g=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "license-webpack-plugin": {
       "version": "1.3.1",
@@ -6295,6 +6317,36 @@
       "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
       "dev": true
     },
+    "minipass": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.9.0.tgz",
+      "integrity": "sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "safe-buffer": "^5.1.2",
+        "yallist": "^3.0.0"
+      },
+      "dependencies": {
+        "yallist": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+          "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==",
+          "dev": true,
+          "optional": true
+        }
+      }
+    },
+    "minizlib": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.3.3.tgz",
+      "integrity": "sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "minipass": "^2.9.0"
+      }
+    },
     "mississippi": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/mississippi/-/mississippi-2.0.0.tgz",
@@ -6522,6 +6574,33 @@
           "integrity": "sha1-myzl094C0XxgEq0yaqa00M9U+U8=",
           "dev": true,
           "optional": true
+        },
+        "tar": {
+          "version": "2.2.2",
+          "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.2.tgz",
+          "integrity": "sha512-FCEhQ/4rE1zYv9rYXJw/msRqsnmlje5jHP6huWeBZ704jUTy02c5AZyWujpMR1ax6mVw9NyJMfuK2CMDWVIfgA==",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "block-stream": "*",
+            "fstream": "^1.0.12",
+            "inherits": "2"
+          },
+          "dependencies": {
+            "fstream": {
+              "version": "1.0.12",
+              "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.12.tgz",
+              "integrity": "sha512-WvJ193OHa0GHPEL+AycEJgxvBEwyfRkN1vhjca23OaPVMCaLCXTd5qAu82AjTcgP1UJmytkOKb63Ypde7raDIg==",
+              "dev": true,
+              "optional": true,
+              "requires": {
+                "graceful-fs": "^4.1.2",
+                "inherits": "~2.0.0",
+                "mkdirp": ">=0.5 0",
+                "rimraf": "2"
+              }
+            }
+          }
         }
       }
     },
@@ -6602,7 +6681,8 @@
           "version": "2.2.1",
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
           "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "caseless": {
           "version": "0.11.0",
@@ -6616,6 +6696,7 @@
           "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-styles": "^2.2.1",
             "escape-string-regexp": "^1.0.2",
@@ -6677,7 +6758,8 @@
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
           "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "tunnel-agent": {
           "version": "0.4.3",
@@ -6732,13 +6814,15 @@
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/nodemailer-fetch/-/nodemailer-fetch-1.6.0.tgz",
       "integrity": "sha1-ecSQihwPXzdbc/6IjamCj23JY6Q=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "nodemailer-shared": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/nodemailer-shared/-/nodemailer-shared-1.1.0.tgz",
       "integrity": "sha1-z1mU4v0mjQD1zw+nZ6CBae2wfsA=",
       "dev": true,
+      "optional": true,
       "requires": {
         "nodemailer-fetch": "1.6.0"
       }
@@ -6771,7 +6855,8 @@
       "version": "0.1.10",
       "resolved": "https://registry.npmjs.org/nodemailer-wellknown/-/nodemailer-wellknown-0.1.10.tgz",
       "integrity": "sha1-WG24EB2zDLRDjrVGc3pBqtDPE9U=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "nopt": {
       "version": "4.0.1",
@@ -6824,6 +6909,7 @@
       "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-4.1.2.tgz",
       "integrity": "sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==",
       "dev": true,
+      "optional": true,
       "requires": {
         "are-we-there-yet": "~1.1.2",
         "console-control-strings": "~1.1.0",
@@ -7534,7 +7620,8 @@
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.1.2.tgz",
       "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "preserve": {
       "version": "0.2.0",
@@ -8719,13 +8806,15 @@
       "version": "1.1.15",
       "resolved": "https://registry.npmjs.org/smart-buffer/-/smart-buffer-1.1.15.tgz",
       "integrity": "sha1-fxFLW2X6s+KjWqd1uxLw0cZJvxY=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "smtp-connection": {
       "version": "2.12.0",
       "resolved": "https://registry.npmjs.org/smtp-connection/-/smtp-connection-2.12.0.tgz",
       "integrity": "sha1-1275EnyyPCJZ7bHoNJwujV4tdME=",
       "dev": true,
+      "optional": true,
       "requires": {
         "httpntlm": "1.6.1",
         "nodemailer-shared": "1.1.0"
@@ -8957,6 +9046,7 @@
       "resolved": "https://registry.npmjs.org/socks/-/socks-1.1.10.tgz",
       "integrity": "sha1-W4t/x8jzQcU+0FbpKbe/Tei6e1o=",
       "dev": true,
+      "optional": true,
       "requires": {
         "ip": "^1.1.4",
         "smart-buffer": "^1.0.13"
@@ -8967,6 +9057,7 @@
       "resolved": "https://registry.npmjs.org/socks-proxy-agent/-/socks-proxy-agent-3.0.1.tgz",
       "integrity": "sha512-ZwEDymm204mTzvdqyUqOdovVr2YRd2NYskrYrF2LXyZ9qDiMAoFESGK8CRphiO7rtbo2Y757k2Nia3x2hGtalA==",
       "dev": true,
+      "optional": true,
       "requires": {
         "agent-base": "^4.1.0",
         "socks": "^1.1.10"
@@ -9389,15 +9480,35 @@
       "dev": true
     },
     "tar": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.1.tgz",
-      "integrity": "sha1-jk0qJWwOIYXGsYrWlK7JaLg8sdE=",
+      "version": "4.4.15",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.15.tgz",
+      "integrity": "sha512-ItbufpujXkry7bHH9NpQyTXPbJ72iTlXgkBAYsAjDXk3Ds8t/3NfO5P4xZGy7u+sYuQUbimgzswX4uQIEeNVOA==",
       "dev": true,
       "optional": true,
       "requires": {
-        "block-stream": "*",
-        "fstream": "^1.0.2",
-        "inherits": "2"
+        "chownr": "^1.1.1",
+        "fs-minipass": "^1.2.5",
+        "minipass": "^2.8.6",
+        "minizlib": "^1.2.1",
+        "mkdirp": "^0.5.0",
+        "safe-buffer": "^5.1.2",
+        "yallist": "^3.0.3"
+      },
+      "dependencies": {
+        "chownr": {
+          "version": "1.1.4",
+          "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+          "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==",
+          "dev": true,
+          "optional": true
+        },
+        "yallist": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+          "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==",
+          "dev": true,
+          "optional": true
+        }
       }
     },
     "through": {
@@ -9807,6 +9918,7 @@
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
       "dev": true,
+      "optional": true,
       "requires": {
         "prelude-ls": "~1.1.2"
       }
@@ -9908,7 +10020,8 @@
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.7.0.tgz",
       "integrity": "sha1-a7rwh3UA02vjTsqlhODbn+8DUgk=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "union-value": {
       "version": "1.0.0",
@@ -11532,6 +11645,7 @@
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.2.tgz",
       "integrity": "sha512-ijDLlyQ7s6x1JgCLur53osjm/UXUYD9+0PbYKrBsYisYXzCxN+HC3mYDNy/dWdmf3AwqwU3CXwDCvsNgGK1S0w==",
       "dev": true,
+      "optional": true,
       "requires": {
         "string-width": "^1.0.2"
       }