root/pypi: links for xpol

root/pypi xpol-1.7.0.tar.gz
root/pypi xpol-1.6.1.tar.gz
root/pypi xpol-1.6.1-py3.9-linux-x86_64.egg
root/pypi xpol-1.6.0.tar.gz
root/pypi xpol-1.5.2.tar.gz
root/pypi xpol-1.5.0.tar.gz