root/pypi: links for sippy

root/pypi sippy-2.2.1.tar.gz
root/pypi sippy-2.2.0.tar.gz
root/pypi sippy-2.1.1.tar.gz
root/pypi sippy-2.1.0.tar.gz
root/pypi sippy-2.0.2.tar.gz
root/pypi sippy-2.0.1.tar.gz
root/pypi sippy-2.0.0.tar.gz