root/pypi: links for blockdiagcontrib-square

root/pypi blockdiagcontrib-square-0.1.3.tar.gz
root/pypi blockdiagcontrib-square-0.1.2.tar.gz
root/pypi blockdiagcontrib-square-0.1.1.tar.gz
root/pypi blockdiagcontrib-square-0.1.0.tar.gz