root/pypi: links for django-usage

root/pypi django-usage-0.0.1a6.zip
root/pypi django-usage-0.0.1a5.zip
root/pypi django-usage-0.0.1a3.zip
root/pypi django-usage-0.0.1a2.zip
root/pypi django-usage-0.0.1a1.zip
root/pypi django-usage-0.0.1a0.zip