root/pypi: links for pump-downloader

root/pypi pump-downloader-0.2.2.tar.gz
root/pypi pump_downloader-0.2.2-py3-none-any.whl
root/pypi pump-downloader-0.2.1.tar.gz
root/pypi pump_downloader-0.2.1-py3-none-any.whl