Update dependencies.

Author: davidlehn

package.json

@@ -32,30 +32,30 @@
   ],
   "dependencies": {
     "rdf-canonize": "^0.3.0",
-    "request": "^2.83.0",
-    "semver": "^5.5.0",
+    "request": "^2.88.0",
+    "semver": "^5.6.0",
     "xmldom": "0.1.19"
   },
   "devDependencies": {
     "babel-cli": "^6.26.0",
-    "babel-loader": "^7.1.4",
+    "babel-loader": "^7.1.5",
     "babel-plugin-transform-object-rest-spread": "^6.26.0",
     "babel-preset-env": "^1.6.1",
     "babel-preset-node6-es6": "^11.2.5",
     "benchmark": "^2.1.4",
     "browserify": "^15.2.0",
-    "chai": "^4.1.2",
-    "commander": "^2.14.1",
-    "core-js": "^2.5.3",
+    "chai": "^4.2.0",
+    "commander": "^2.19.0",
+    "core-js": "^2.5.7",
     "cors": "^2.7.1",
-    "cross-env": "^5.1.3",
-    "eslint": "^4.18.2",
-    "express": "^4.16.2",
-    "fs-extra": "^5.0.0",
+    "cross-env": "^5.2.0",
+    "eslint": "^5.8.0",
+    "express": "^4.16.4",
+    "fs-extra": "^7.0.0",
     "join-path-js": "0.0.0",
     "jscs": "^3.0.0",
-    "jshint": "^2.9.1",
-    "karma": "^2.0.0",
+    "jshint": "^2.9.6",
+    "karma": "^3.1.1",
     "karma-babel-preprocessor": "^7.0.0",
     "karma-browserify": "^5.2.0",
     "karma-chrome-launcher": "^2.2.0",
@@ -69,13 +69,13 @@
     "karma-server-side": "^1.7.0",
     "karma-sourcemap-loader": "^0.3.7",
     "karma-tap-reporter": "0.0.6",
-    "karma-webpack": "^2.0.13",
-    "mocha": "^5.0.2",
+    "karma-webpack": "^3.0.5",
+    "mocha": "^5.2.0",
     "mocha-lcov-reporter": "^1.3.0",
-    "nyc": "^11.4.1",
-    "regenerator-runtime": "^0.11.1",
-    "webpack": "^3.11.0",
-    "webpack-merge": "^4.1.2"
+    "nyc": "^13.1.0",
+    "regenerator-runtime": "^0.12.1",
+    "webpack": "^3.12.0",
+    "webpack-merge": "^4.1.4"
   },
   "engines": {
     "node": ">=6"