Chamcha release, VERSION 3.1.1 - bugfix and enhancement

Merge pull request #11 from dilawar/master

Made script compatible with both python2 and python3.

Release 3.1.0 - beta 2

TODO: Changelog

Pre relase 3.1.0

• Syntax changes and bug fixes.

Examples shipped with moose ghevar_3.0.2.

First tag for packaging purpose only.