root/pypi: links for stairs

root/pypi stairs-0.0.1b3.tar.gz
root/pypi stairs-0.0.1b3-py3-none-any.whl
root/pypi stairs-0.0.1b2.tar.gz
root/pypi stairs-0.0.1b2-py3-none-any.whl
root/pypi stairs-0.0.1b1.tar.gz
root/pypi stairs-0.0.1b1-py3-none-any.whl
root/pypi stairs-0.0.1.dev1.tar.gz
root/pypi stairs-0.0.1.dev1-py3-none-any.whl