Use more general assert.
Build on 3.2.
Merge pull request #3 from tomwys/master

Marke's changes
Create MANIFEST.in

README.md is used in setup.py, but is not included in package.
Set license in setup.py
Merge pull request #5 from pazur/patch-2

Set license in setup.py
Merge pull request #4 from pazur/patch-1

Add MANIFEST.in
Bump version.
Add url to setup.pu
Merge pull request #6 from pazur/patch-3

Add url to setup.pu