loongson/pypi: links for cif2cell

loongson/mirror cif2cell-2.1.0.tar.gz
loongson/mirror cif2cell-2.1.0-py3-none-any.whl
loongson/mirror cif2cell-2.0.0a3.tar.gz
loongson/mirror cif2cell-2.0.0a3-py3-none-any.whl
loongson/mirror cif2cell-2.0.0a2.tar.gz
loongson/mirror cif2cell-2.0.0a2-py2.py3-none-any.whl
loongson/mirror cif2cell-2.0.0a1.tar.gz
loongson/mirror cif2cell-2.0.0a1-py2.py3-none-any.whl