root/pypi: links for stableset

root/pypi stableset-5.2.2-py3-none-any.whl
root/pypi stableset-5.2.1-py3-none-any.whl
root/pypi stableset-5.2.0-py3-none-any.whl
root/pypi stableset-5.1.0-py3-none-any.whl
root/pypi stableset-5.0.1-py3-none-any.whl