root/pypi: links for heidelberg-subtyping

root/pypi heidelberg-subtyping-0.5.0.tar.gz
root/pypi heidelberg-subtyping-0.4.0.tar.gz
root/pypi heidelberg-subtyping-0.3.0.tar.gz
root/pypi heidelberg-subtyping-0.2.0.tar.gz
root/pypi heidelberg-subtyping-0.1.2.tar.gz