root/pypi: links for xraylabtool

root/pypi xraylabtool-0.2.7.tar.gz
root/pypi xraylabtool-0.2.7-py3-none-any.whl
root/pypi xraylabtool-0.2.6.tar.gz
root/pypi xraylabtool-0.2.6-py3-none-any.whl