root/pypi: links for pippi

root/pypi pippi-2.0.0b3.tar.gz
root/pypi pippi-2.0.0b2.tar.gz
root/pypi pippi-2.0.0b1.tar.gz
root/pypi pippi-2.0.0a9.tar.gz
root/pypi pippi-2.0.0a8.tar.gz
root/pypi pippi-2.0.0a7.tar.gz