Add tox.ini for easier with several virtual environments
Add .travis.yml for automated testing on Github
Ignore MANIFEST
Fix PEP-8 issues (with autopep8 -a)
Use reStructuredText for README

Automatic highlighting on Github and PyPI, much better readibility.

Replace references to py3 with py2.6/2.7, it's not py3 code.
Some Python-3 compatibility fixes
Add tox.ini and requirements.txt to MANIFEST.in
Merge pull request #16 from saschpe/master

Several fixes