diff --git a/package-lock.json b/package-lock.json
index 4019d20..cae9791 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,26 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz",
+      "integrity": "sha512-OfC2uemaknXr87bdLUkWog7nYuliM9Ij5HUcajsVcMCpQrcLmtxRbVFTIqmcSkSeYRBFBRxs2FiUqFJDLdiebA==",
+      "dev": true,
+      "requires": {
+        "@babel/highlight": "^7.0.0"
+      }
+    },
+    "@babel/highlight": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0.tgz",
+      "integrity": "sha512-UFMC4ZeFC48Tpvj7C8UgLvtkaUuovQX+5xNWrsIoMG8o2z+XFKjKaN9iVmS84dPwVN00W4wPmqvYoZF3EGAsfw==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.0.0",
+        "esutils": "^2.0.2",
+        "js-tokens": "^4.0.0"
+      }
+    },
     "acorn": {
       "version": "5.7.1",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.1.tgz",
@@ -40,15 +60,15 @@
       }
     },
     "ajv": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.5.2.tgz",
-      "integrity": "sha512-hOs7GfvI6tUI1LfZddH82ky6mOMyTuY0mk7kE2pWpmhhUSkumzaTO5vbVwij39MdwPQWCV4Zv57Eo06NtL/GVA==",
+      "version": "6.5.3",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.5.3.tgz",
+      "integrity": "sha512-LqZ9wY+fx3UMiiPd741yB2pj3hhil+hQc8taf4o2QGRFpWgZ2V5C8HA165DY9sS3fJwsk7uT7ZlFEyC3Ig3lLg==",
       "dev": true,
       "requires": {
         "fast-deep-equal": "^2.0.1",
         "fast-json-stable-stringify": "^2.0.0",
         "json-schema-traverse": "^0.4.1",
-        "uri-js": "^4.2.1"
+        "uri-js": "^4.2.2"
       }
     },
     "ajv-keywords": {
@@ -323,32 +343,6 @@
         "postcss-value-parser": "^3.2.3"
       }
     },
-    "babel-code-frame": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
-      "integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
-      "dev": true,
-      "requires": {
-        "chalk": "^1.1.3",
-        "esutils": "^2.0.2",
-        "js-tokens": "^3.0.2"
-      },
-      "dependencies": {
-        "chalk": {
-          "version": "1.1.3",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-          "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "^2.2.1",
-            "escape-string-regexp": "^1.0.2",
-            "has-ansi": "^2.0.0",
-            "strip-ansi": "^3.0.0",
-            "supports-color": "^2.0.0"
-          }
-        }
-      }
-    },
     "bach": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/bach/-/bach-1.2.0.tgz",
@@ -576,9 +570,9 @@
       }
     },
     "chardet": {
-      "version": "0.4.2",
-      "resolved": "https://registry.npmjs.org/chardet/-/chardet-0.4.2.tgz",
-      "integrity": "sha1-tUc7M9yXxCTl2Y3IfVXU2KKci/I=",
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/chardet/-/chardet-0.7.0.tgz",
+      "integrity": "sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==",
       "dev": true
     },
     "chokidar": {
@@ -1098,30 +1092,6 @@
         "is-arrayish": "^0.2.1"
       }
     },
-    "es-abstract": {
-      "version": "1.12.0",
-      "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.12.0.tgz",
-      "integrity": "sha512-C8Fx/0jFmV5IPoMOFPA9P9G5NtqW+4cOPit3MIuvR2t7Ag2K15EJTpxnHAYTzL+aYQJIESYeXZmDBfOBE1HcpA==",
-      "dev": true,
-      "requires": {
-        "es-to-primitive": "^1.1.1",
-        "function-bind": "^1.1.1",
-        "has": "^1.0.1",
-        "is-callable": "^1.1.3",
-        "is-regex": "^1.0.4"
-      }
-    },
-    "es-to-primitive": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/es-to-primitive/-/es-to-primitive-1.1.1.tgz",
-      "integrity": "sha1-RTVSSKiJeQNLZ5Lhm7gfK3l13Q0=",
-      "dev": true,
-      "requires": {
-        "is-callable": "^1.1.1",
-        "is-date-object": "^1.0.1",
-        "is-symbol": "^1.0.1"
-      }
-    },
     "es5-ext": {
       "version": "0.10.45",
       "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.45.tgz",
@@ -1212,18 +1182,19 @@
       }
     },
     "eslint": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-5.0.1.tgz",
-      "integrity": "sha512-D5nG2rErquLUstgUaxJlWB5+gu+U/3VDY0fk/Iuq8y9CUFy/7Y6oF4N2cR1tV8knzQvciIbfqfohd359xTLIKQ==",
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-5.5.0.tgz",
+      "integrity": "sha512-m+az4vYehIJgl1Z0gb25KnFXeqQRdNreYsei1jdvkd9bB+UNQD3fsuiC2AWSQ56P+/t++kFSINZXFbfai+krOw==",
       "dev": true,
       "requires": {
-        "ajv": "^6.5.0",
-        "babel-code-frame": "^6.26.0",
+        "@babel/code-frame": "^7.0.0",
+        "ajv": "^6.5.3",
         "chalk": "^2.1.0",
         "cross-spawn": "^6.0.5",
         "debug": "^3.1.0",
         "doctrine": "^2.1.0",
         "eslint-scope": "^4.0.0",
+        "eslint-utils": "^1.3.1",
         "eslint-visitor-keys": "^1.0.0",
         "espree": "^4.0.0",
         "esquery": "^1.0.1",
@@ -1231,12 +1202,12 @@
         "file-entry-cache": "^2.0.0",
         "functional-red-black-tree": "^1.0.1",
         "glob": "^7.1.2",
-        "globals": "^11.5.0",
-        "ignore": "^3.3.3",
+        "globals": "^11.7.0",
+        "ignore": "^4.0.6",
         "imurmurhash": "^0.1.4",
-        "inquirer": "^5.2.0",
+        "inquirer": "^6.1.0",
         "is-resolvable": "^1.1.0",
-        "js-yaml": "^3.11.0",
+        "js-yaml": "^3.12.0",
         "json-stable-stringify-without-jsonify": "^1.0.1",
         "levn": "^0.3.0",
         "lodash": "^4.17.5",
@@ -1247,10 +1218,9 @@
         "path-is-inside": "^1.0.2",
         "pluralize": "^7.0.0",
         "progress": "^2.0.0",
-        "regexpp": "^1.1.0",
+        "regexpp": "^2.0.0",
         "require-uncached": "^1.0.3",
-        "semver": "^5.5.0",
-        "string.prototype.matchall": "^2.0.0",
+        "semver": "^5.5.1",
         "strip-ansi": "^4.0.0",
         "strip-json-comments": "^2.0.1",
         "table": "^4.0.3",
@@ -1263,6 +1233,18 @@
           "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
           "dev": true
         },
+        "ignore": {
+          "version": "4.0.6",
+          "resolved": "https://registry.npmjs.org/ignore/-/ignore-4.0.6.tgz",
+          "integrity": "sha512-cyFDKrqc/YdcWFniJhzI42+AzS+gNwmUzOSFcRCQYwySuBBBy/KjuxWLZ/FHEH6Moq1NizMOBWyTcv8O4OZIMg==",
+          "dev": true
+        },
+        "semver": {
+          "version": "5.5.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.5.1.tgz",
+          "integrity": "sha512-PqpAxfrEhlSUWge8dwIp4tZnQ25DIOthpiaHNIthsjEFQD6EvqUKUDM7L8O2rShkFccYo1VjJR0coWfNkCubRw==",
+          "dev": true
+        },
         "strip-ansi": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
@@ -1284,6 +1266,12 @@
         "estraverse": "^4.1.1"
       }
     },
+    "eslint-utils": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.3.1.tgz",
+      "integrity": "sha512-Z7YjnIldX+2XMcjr7ZkgEsOj/bREONV60qYeB/bjMAqqqZ4zxKyWX+BOUkdmRmA9riiIPVvo5x86m5elviOk0Q==",
+      "dev": true
+    },
     "eslint-visitor-keys": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz",
@@ -1433,13 +1421,13 @@
       }
     },
     "external-editor": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz",
-      "integrity": "sha512-bSn6gvGxKt+b7+6TKEv1ZycHleA7aHhRHyAqJyp5pbUFuYYNIzpZnQDk7AsYckyWdEnTeAnay0aCy2aV6iTk9A==",
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-3.0.3.tgz",
+      "integrity": "sha512-bn71H9+qWoOQKyZDo25mOMVpSmXROAsTJVVVYzrrtol3d4y+AsKjf4Iwl2Q+IuT0kFSQ1qo166UuIwqYq7mGnA==",
       "dev": true,
       "requires": {
-        "chardet": "^0.4.0",
-        "iconv-lite": "^0.4.17",
+        "chardet": "^0.7.0",
+        "iconv-lite": "^0.4.24",
         "tmp": "^0.0.33"
       }
     },
@@ -1739,7 +1727,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -1760,12 +1749,14 @@
         "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"
@@ -1780,17 +1771,20 @@
         "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",
@@ -1907,7 +1901,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -1919,6 +1914,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -1933,6 +1929,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -1940,12 +1937,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -1964,6 +1963,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2044,7 +2044,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -2056,6 +2057,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -2141,7 +2143,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -2177,6 +2180,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -2196,6 +2200,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -2239,12 +2244,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -2532,15 +2539,6 @@
         "glogg": "^1.0.0"
       }
     },
-    "has": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
-      "integrity": "sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==",
-      "dev": true,
-      "requires": {
-        "function-bind": "^1.1.1"
-      }
-    },
     "has-ansi": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/has-ansi/-/has-ansi-2.0.0.tgz",
@@ -2619,9 +2617,9 @@
       "dev": true
     },
     "iconv-lite": {
-      "version": "0.4.23",
-      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.23.tgz",
-      "integrity": "sha512-neyTUVFtahjf0mB3dZT77u+8O0QB89jFdnBkd5P1JgYPbPaia3gXXOVL2fq8VyU2gMMD7SaN7QukTB/pmXYvDA==",
+      "version": "0.4.24",
+      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
+      "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
       "dev": true,
       "requires": {
         "safer-buffer": ">= 2.1.2 < 3"
@@ -2662,21 +2660,21 @@
       "dev": true
     },
     "inquirer": {
-      "version": "5.2.0",
-      "resolved": "https://registry.npmjs.org/inquirer/-/inquirer-5.2.0.tgz",
-      "integrity": "sha512-E9BmnJbAKLPGonz0HeWHtbKf+EeSP93paWO3ZYoUpq/aowXvYGjjCSuashhXPpzbArIjBbji39THkxTz9ZeEUQ==",
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/inquirer/-/inquirer-6.2.0.tgz",
+      "integrity": "sha512-QIEQG4YyQ2UYZGDC4srMZ7BjHOmNk1lR2JQj5UknBapklm6WHA+VVH7N+sUdX3A7NeCfGF8o4X1S3Ao7nAcIeg==",
       "dev": true,
       "requires": {
         "ansi-escapes": "^3.0.0",
         "chalk": "^2.0.0",
         "cli-cursor": "^2.1.0",
         "cli-width": "^2.0.0",
-        "external-editor": "^2.1.0",
+        "external-editor": "^3.0.0",
         "figures": "^2.0.0",
-        "lodash": "^4.3.0",
+        "lodash": "^4.17.10",
         "mute-stream": "0.0.7",
         "run-async": "^2.2.0",
-        "rxjs": "^5.5.2",
+        "rxjs": "^6.1.0",
         "string-width": "^2.1.0",
         "strip-ansi": "^4.0.0",
         "through": "^2.3.6"
@@ -2787,12 +2785,6 @@
         "builtin-modules": "^1.0.0"
       }
     },
-    "is-callable": {
-      "version": "1.1.4",
-      "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.1.4.tgz",
-      "integrity": "sha512-r5p9sxJjYnArLjObpjA4xu5EKI3CuKHkJXMhT7kwbpUyIFD1n5PMAsoPvWnvtZiNz7LjkYDRZhd7FlI0eMijEA==",
-      "dev": true
-    },
     "is-data-descriptor": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
@@ -2813,12 +2805,6 @@
         }
       }
     },
-    "is-date-object": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/is-date-object/-/is-date-object-1.0.1.tgz",
-      "integrity": "sha1-mqIOtq7rv/d/vTPnTKAbM1gdOhY=",
-      "dev": true
-    },
     "is-descriptor": {
       "version": "0.1.6",
       "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-0.1.6.tgz",
@@ -2958,15 +2944,6 @@
       "integrity": "sha1-V/4cTkhHTt1lsJkR8msc1Ald2oQ=",
       "dev": true
     },
-    "is-regex": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.0.4.tgz",
-      "integrity": "sha1-VRdIm1RwkbCTDglWVM7SXul+lJE=",
-      "dev": true,
-      "requires": {
-        "has": "^1.0.1"
-      }
-    },
     "is-relative": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-relative/-/is-relative-1.0.0.tgz",
@@ -2982,12 +2959,6 @@
       "integrity": "sha512-qgDYXFSR5WvEfuS5dMj6oTMEbrrSaM0CrFk2Yiq/gXnBvD9pMa2jGXxyhGLfvhZpuMZe18CJpFxAt3CRs42NMg==",
       "dev": true
     },
-    "is-symbol": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.1.tgz",
-      "integrity": "sha1-PMWfAAJRlLarLjjbrmaJJWtmBXI=",
-      "dev": true
-    },
     "is-unc-path": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-unc-path/-/is-unc-path-1.0.0.tgz",
@@ -3034,9 +3005,9 @@
       "dev": true
     },
     "js-tokens": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-3.0.2.tgz",
-      "integrity": "sha1-mGbfOVECEw449/mWvOtlRDIJwls=",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
+      "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==",
       "dev": true
     },
     "js-yaml": {
@@ -3400,9 +3371,9 @@
       "dev": true
     },
     "nice-try": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.4.tgz",
-      "integrity": "sha512-2NpiFHqC87y/zFke0fC0spBXL3bBsoh/p5H1EFhshxjCR5+0g2d6BiXbUFz9v1sAcxsk2htp2eQnNIci2dIYcA==",
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
+      "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==",
       "dev": true
     },
     "node-prismjs": {
@@ -3983,19 +3954,10 @@
         "safe-regex": "^1.1.0"
       }
     },
-    "regexp.prototype.flags": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/regexp.prototype.flags/-/regexp.prototype.flags-1.2.0.tgz",
-      "integrity": "sha512-ztaw4M1VqgMwl9HlPpOuiYgItcHlunW0He2fE6eNfT6E/CF2FtYi9ofOYe4mKntstYk0Fyh/rDRBdS3AnxjlrA==",
-      "dev": true,
-      "requires": {
-        "define-properties": "^1.1.2"
-      }
-    },
     "regexpp": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-1.1.0.tgz",
-      "integrity": "sha512-LOPw8FpgdQF9etWMaAfG/WRthIdXJGYp4mJ2Jgn/2lpkbod9jPn0t9UqN7AxBOKNfzRbYyVfgc7Vk4t/MpnXgw==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-2.0.0.tgz",
+      "integrity": "sha512-g2FAVtR8Uh8GO1Nv5wpxW7VFVwHcCEr4wyA8/MHiRkO8uHoR5ntAA8Uq3P1vvMTX/BeQiRVSpDGLd+Wn5HNOTA==",
       "dev": true
     },
     "remove-bom-buffer": {
@@ -4163,12 +4125,12 @@
       "dev": true
     },
     "rxjs": {
-      "version": "5.5.11",
-      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-5.5.11.tgz",
-      "integrity": "sha512-3bjO7UwWfA2CV7lmwYMBzj4fQ6Cq+ftHc2MvUe+WMS7wcdJ1LosDWmdjPQanYp2dBRj572p7PeU81JUxHKOcBA==",
+      "version": "6.3.2",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.3.2.tgz",
+      "integrity": "sha512-hV7criqbR0pe7EeL3O66UYVg92IR0XsA97+9y+BWTePK9SKmEI5Qd3Zj6uPnGkNzXsBywBQWTvujPl+1Kn9Zjw==",
       "dev": true,
       "requires": {
-        "symbol-observable": "1.0.1"
+        "tslib": "^1.9.0"
       }
     },
     "safe-buffer": {
@@ -4860,19 +4822,6 @@
         "strip-ansi": "^3.0.0"
       }
     },
-    "string.prototype.matchall": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/string.prototype.matchall/-/string.prototype.matchall-2.0.0.tgz",
-      "integrity": "sha512-WoZ+B2ypng1dp4iFLF2kmZlwwlE19gmjgKuhL1FJfDgCREWb3ye3SDVHSzLH6bxfnvYmkCxbzkmWcQZHA4P//Q==",
-      "dev": true,
-      "requires": {
-        "define-properties": "^1.1.2",
-        "es-abstract": "^1.10.0",
-        "function-bind": "^1.1.1",
-        "has-symbols": "^1.0.0",
-        "regexp.prototype.flags": "^1.2.0"
-      }
-    },
     "string_decoder": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
@@ -4922,12 +4871,6 @@
         "es6-symbol": "^3.1.1"
       }
     },
-    "symbol-observable": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-1.0.1.tgz",
-      "integrity": "sha1-g0D8RwLDEi310iKI+IKD9RPT/dQ=",
-      "dev": true
-    },
     "syntax-error": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/syntax-error/-/syntax-error-1.4.0.tgz",
@@ -4939,7 +4882,7 @@
     },
     "table": {
       "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/table/-/table-4.0.3.tgz",
+      "resolved": "http://registry.npmjs.org/table/-/table-4.0.3.tgz",
       "integrity": "sha512-S7rnFITmBH1EnyKcvxBh1LjYeQMmnZtCXSEbHcH6S0NoKit24ZuFO/T1vDcLdYsLQkM188PVVhQmzKIuThNkKg==",
       "dev": true,
       "requires": {
@@ -5130,6 +5073,12 @@
         "through2": "^2.0.3"
       }
     },
+    "tslib": {
+      "version": "1.9.3",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.3.tgz",
+      "integrity": "sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==",
+      "dev": true
+    },
     "type-check": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
diff --git a/package.json b/package.json
index 296e4a9..ee5a20d 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
   "homepage": "https://github.com/SukkaW/hexo-theme-suka#readme",
   "devDependencies": {
     "ejs-lint": "^0.3.0",
-    "eslint": "^5.0.1",
+    "eslint": "^5.5.0",
     "gulp": "^4.0.0",
     "gulp-autoprefixer": "^5.0.0",
     "gulp-clean-css": "^3.9.4",