root/pypi: links for gerbls

root/pypi gerbls-0.7.0.tar.gz
root/pypi gerbls-0.6.6.tar.gz
root/pypi gerbls-0.6.5.tar.gz
root/pypi gerbls-0.6.4.tar.gz
root/pypi gerbls-0.6.3.tar.gz
root/pypi gerbls-0.6.2.tar.gz
root/pypi gerbls-0.6.1.tar.gz
root/pypi gerbls-0.6.0.tar.gz
root/pypi gerbls-0.6.0.dev1.tar.gz