Make setup.py work with python 2.6

Python 2.6 doesn't have named components for sys.version_info.
updates to setup.py
Merge pull request #10 from jeremyschulman/master

updates to setup.py
Merge pull request #7 from sebastianw/setup-python-2.6

Make setup.py work with python 2.6
Solve missing README.rst issue. It closes #6 and #11
Remove un-needed README.rst file
Version update
Update docs version