root/pypi: links for perfectolibrary-py37

root/pypi perfectolibrary_py37-0.5.2-py3-none-any.whl
root/pypi perfectolibrary_py37-0.5.0.tar.gz
root/pypi perfectolibrary-py37-0.5.2.tar.gz
root/pypi perfectolibrary-py37-0.5.1.tar.gz