root/pypi: links for on-tools

root/pypi on-tools-0.6.3.tar.gz
root/pypi on-tools-0.6.2.tar.gz
root/pypi on-tools-0.6.1.tar.gz
root/pypi on-tools-0.6.0.tar.gz
root/pypi on-tools-0.5.1.tar.gz
root/pypi on-tools-0.5.0.tar.gz
root/pypi on-tools-0.4.1.tar.gz
root/pypi on-tools-0.4.tar.gz
root/pypi on-tools-0.3.tar.gz
root/pypi on-tools-0.2.tar.gz
root/pypi on-tools-0.1.tar.gz