root/pypi: links for rrat

root/pypi rrat-0.6.tar.gz
root/pypi rrat-0.5.tar.gz
root/pypi rrat-0.4.tar.gz
root/pypi rrat-0.3.tar.gz
root/pypi rrat-0.2.tar.gz
root/pypi rrat-0.1.tar.gz