-Fixed Json macro bug
    https://github.com/dionjwa/nodejs-std/issues/10

    -Move Node.parse->Node.json.parse (also stringify).
    https://github.com/dionjwa/nodejs-std/issues/4

   - renamed 'childProcess' to 'child_process' for consistency with the other node modules.

    Added unit tests for the above issues.
Fix travis config.
- Use the public url for cloning the repo for travis
- Version bump.
Add the contributors.
Update haxelib.json

If anyone want to contact me for the MongoDB and Pubnub stuff..
I may also come back to do some nodeJs stuff soon :)
Fix #14
add Zlib to Node Class

add Zlib to Node Class
Miss concat method of NodeBuffer
fix to mongodb require