loongson/pypi: links for django-shop-saferpay

loongson/mirror django-shop-saferpay-1.2.1.tar.gz
loongson/mirror django-shop-saferpay-1.2.0.tar.gz
loongson/mirror django-shop-saferpay-1.1.tar.gz
loongson/mirror django-shop-saferpay-1.0.tar.gz