root/pypi: links for yu

root/pypi yu-0.5.0.tar.gz
root/pypi yu-0.4.1.tar.gz
root/pypi yu-0.2.2.tar.gz
root/pypi yu-0.2.1.tar.gz
root/pypi yu-0.2.0.tar.gz
root/pypi yu-0.1.1.tar.gz
root/pypi yu-0.1.0.tar.gz
root/pypi yu-0.0.2.tar.gz