loongson/pypi: links for iscool-e-bellman

loongson/mirror iscool_e.bellman-0.4.1.tar.gz
loongson/mirror iscool_e.bellman-0.4.tar.gz
loongson/mirror iscool_e.bellman-0.3.tar.gz
loongson/mirror iscool_e.bellman-0.2.1.tar.gz
loongson/mirror iscool_e.bellman-0.2.tar.gz