root/pypi: links for zc-sourcerelease

root/pypi zc.sourcerelease-0.4.0.tar.gz
root/pypi zc.sourcerelease-0.3.1.tar.gz
root/pypi zc.sourcerelease-0.3.0.tar.gz
root/pypi zc.sourcerelease-0.2.tar.gz
root/pypi zc.sourcerelease-0.1.tar.gz