root/pypi: links for ruggray

root/pypi ruggray-0.99.4.tar.gz
root/pypi ruggray-0.99.3.tar.gz
root/pypi ruggray-0.99.2.tar.gz
root/pypi RugGray-0.99.1.tar.gz
root/pypi RugGray-0.99.1a0.tar.gz