root/pypi: links for kadabra

root/pypi Kadabra-0.5.0.tar.gz
root/pypi Kadabra-0.4.0.tar.gz
root/pypi Kadabra-0.3.0.tar.gz
root/pypi Kadabra-0.2.0.tar.gz
root/pypi Kadabra-0.1.1.tar.gz