root/pypi: links for tumbo-server

root/pypi tumbo-server-0.4.12.tar.gz
root/pypi tumbo-server-0.4.5.tar.gz
root/pypi tumbo-server-0.4.4.tar.gz
root/pypi tumbo-server-0.4.3.tar.gz
root/pypi tumbo-server-0.4.2.tar.gz
root/pypi tumbo-server-0.4.0.tar.gz
root/pypi tumbo-server-0.3.0.tar.gz