root/pypi: links for substratestack

root/pypi substratestack-0.3.zip
root/pypi substratestack-0.3.tar.gz
root/pypi substratestack-0.3-py2.6.egg
root/pypi substratestack-0.2.zip
root/pypi substratestack-0.2.tar.gz
root/pypi substratestack-0.2-py2.6.egg