chore(package): update ts-node to version 4.1.0

Closes #19

Author: greenkeeper[bot]

package.json

@@ -100,7 +100,7 @@
     "semantic-release": "^6.3.6",
     "source-map-explorer": "^1.3.3",
     "to-string-loader": "^1.1.5",
-    "ts-node": "^3.0.4",
+    "ts-node": "^4.1.0",
     "tslint": "^5.2.0",
     "typescript": "^2.3.2",
     "upver": "^1.0.0",