root/pypi: links for bgcluster

root/pypi bgcluster-0.7.0.tar.gz
root/pypi bgcluster-0.6.0.tar.gz
root/pypi bgcluster-0.5.0.tar.gz
root/pypi bgcluster-0.4.0.tar.gz
root/pypi bgcluster-0.3.0.tar.gz