loongson/pypi: links for semba

loongson/mirror semba-0.91.tar.gz
loongson/mirror semba-0.9.tar.gz
loongson/mirror semba-0.8.tar.gz
loongson/mirror semba-0.7.tar.gz
loongson/mirror semba-0.6.tar.gz
loongson/mirror semba-0.5.tar.gz