root/pypi: links for hugin

root/pypi hugin-0.2.2.tar.gz
root/pypi hugin-0.2.1.tar.gz
root/pypi hugin-0.2.0.tar.gz
root/pypi hugin-0.2.0b4.tar.gz
root/pypi hugin-0.2.0b3.tar.gz
root/pypi hugin-0.2.0b2.tar.gz