root/pypi: links for snowball

root/pypi Snowball-0.5.3.tar.gz
root/pypi Snowball-0.5.3-py3-none-any.whl
root/pypi Snowball-0.5.2-py3-none-any.whl
root/pypi Snowball-0.5.tar.gz
root/pypi Snowball-0.4.0-py3-none-any.whl
root/pypi Snowball-0.1.2-py3-none-any.whl
root/pypi Snowball-0.1.1-py3-none-any.whl