`package.json` says that `>=0.8.0` supports but there is an error comes from `http-server` when `0.8`, `0.10` or `0.12` node version are used <img width="1072" alt="screenshot 2018-02-26 15 28 14" src="https://user-images.githubusercontent.com/119337/36670636-fae3d2ea-1b09-11e8-98ed-6dd851489341.png"> @aetheon Don't you mind to update `>=4`?
