loongson/pypi: links for py-packager

loongson/mirror py-packager-0.1.0a3.tar.gz
loongson/mirror py-packager-0.1.0a2.tar.gz
loongson/mirror py-packager-0.1.0a1.tar.gz
loongson/mirror py-packager-0.1.0a0.tar.gz