root/pypi: links for cerberos

root/pypi cerberos-0.2.1.tar.gz
root/pypi cerberos-0.2.0.tar.gz
root/pypi cerberos-0.1.3.tar.gz
root/pypi cerberos-0.1.2.tar.gz
root/pypi cerberos-0.1.1.tar.gz