root/pypi: links for httpcache

root/pypi httpcache-0.1.3.tar.gz
root/pypi httpcache-0.1.2.tar.gz
root/pypi httpcache-0.1.1.tar.gz
root/pypi httpcache-0.1.0.tar.gz
root/pypi httpcache-0.0.2.tar.gz
root/pypi httpcache-0.0.1.tar.gz