loongson/pypi: links for serafin-appengine

loongson/mirror serafin-appengine-0.2.1.tar.gz
loongson/mirror serafin-appengine-0.2.tar.gz
loongson/mirror serafin-appengine-0.1.3.tar.gz
loongson/mirror serafin-appengine-0.1.2.tar.gz
loongson/mirror serafin-appengine-0.1.1.tar.gz
loongson/mirror serafin-appengine-0.1.tar.gz