root/pypi: links for install-requires

root/pypi install-requires-0.3.0.tar.gz
root/pypi install-requires-0.2.1.tar.gz
root/pypi install-requires-0.2.0.tar.gz
root/pypi install-requires-0.1.1.tar.gz
root/pypi install-requires-0.1.0.tar.gz