root/pypi: links for universe

root/pypi universe-0.21.3.tar.gz
root/pypi universe-0.21.2.tar.gz
root/pypi universe-0.21.1.tar.gz
root/pypi universe-0.21.0.tar.gz
root/pypi universe-0.20.4.tar.gz
root/pypi universe-0.20.3.tar.gz
root/pypi universe-0.20.2.tar.gz
root/pypi universe-0.20.1.tar.gz