loongson/mirror: links for products-cas4pas

loongson/mirror Products.CAS4PAS-2.1.2.tar.gz
loongson/mirror Products.CAS4PAS-2.1.1.tar.gz
loongson/mirror Products.CAS4PAS-2.1.tar.gz
loongson/mirror Products.CAS4PAS-2.0.1.tar.gz
loongson/mirror Products.CAS4PAS-2.0.1-py2.4.egg
loongson/mirror Products.CAS4PAS-2.0-py2.4.egg