Merge branch '11-new-winston-types' into 'master'

Re-add winston

Closes #11

See merge request !13

package.json

@@ -20,6 +20,7 @@
     "request": "^2.87.0",
     "source-map-support": "^0.5.6",
     "through2": "^2.0.3",
+    "winston": "^2.4.2",
     "typescript": "^2.8.3"
   },
   "devDependencies": {