Fix #150

Author: LinusBorg

template/package.json

@@ -16,6 +16,7 @@
     "babel-core": "^6.26.0",
     "babel-loader": "^7.1.2",
     "babel-preset-env": "^1.6.0",
+    "babel-preset-stage-3": "^6.24.1",
     "cross-env": "^5.0.5",
     "css-loader": "^0.28.7",
     "file-loader": "^1.1.4",