root/pypi: links for gfeat

root/pypi gfeat-1.0.0.tar.gz
root/pypi gfeat-1.0.0-py2.py3-none-any.whl
root/pypi gfeat-0.1.0.tar.gz
root/pypi gfeat-0.1.0-py2.py3-none-any.whl