root/pypi: links for polyhedra

root/pypi polyhedra-0.4.0.tar.gz
root/pypi polyhedra-0.3.tar.gz
root/pypi polyhedra-0.3-py2-none-any.whl
root/pypi polyhedra-0.2.tar.gz
root/pypi polyhedra-0.2-py2-none-any.whl