Merge pull request #782 from murgatroid99/typescript_version_consistency

Update top level typescript dependency

Author: murgatroid99

package.json

@@ -44,7 +44,7 @@
     "through2": "^2.0.3",
     "ts-node": "^3.3.0",
     "tslint": "^5.5.0",
-    "typescript": "~2.7.0",
+    "typescript": "~3.3.3333",
     "xml2js": "^0.4.19"
   },
   "contributors": [