loongson/pypi: links for exceptive

loongson/mirror exceptive-0.1.8.tar.gz
loongson/mirror exceptive-0.1.7.tar.gz
loongson/mirror exceptive-0.1.3.tar.gz
loongson/mirror exceptive-0.1.1.tar.gz
loongson/mirror exceptive-0.1.0a0.tar.gz