Create setup.py from cython-setup
Add dependency on argparse and ordereddict for python < 2.7 to setup.py
Update author and description, add classifiers, email, url
Use setuptools instead of distutils
Add basic tox setup (http://tox.testrun.org/)

Tox is a generic virtualenv management and test command line tool. It
allows testing with several Python interpreter versions in sandboxed
environments with automatic dependency installation.

Run as e.g.

TOX_LDFLAGS=-L/usr/lib/nvidia-current \
TOX_C_INCLUDE_PATH=/usr/lib/openmpi/include TOX_PYOPENCL_CTXS="0 1" tox
Update dependencies and also run for Python 2.6
Update tox.ini
Update install_extra_docs.sh
Update runtests.sh (not used any more)
Remove extension module before rebuilding