root/pypi: links for xlearn

root/pypi xlearn-0.40a1.tar.gz
root/pypi xlearn-0.37a1.tar.gz
root/pypi xlearn-0.33a1.tar.gz
root/pypi xlearn-0.32a1.tar.gz
root/pypi xlearn-0.31a1.tar.gz
root/pypi xlearn-0.30a1.tar.gz
root/pypi xlearn-0.11a1.tar.gz