root/pypi: links for driftrail

root/pypi driftrail-2.1.0.tar.gz
root/pypi driftrail-2.1.0-py3-none-any.whl
root/pypi driftrail-2.0.0.tar.gz
root/pypi driftrail-2.0.0-py3-none-any.whl