root/pypi: links for rdiffb

root/pypi rdiffb-0.5.0.tar.gz
root/pypi rdiffb-0.5.0-py3-none-any.whl
root/pypi rdiffb-0.4.0.tar.gz
root/pypi rdiffb-0.3.0.tar.gz
root/pypi rdiffb-0.2.0.tar.gz