loongson/pypi: links for pyintegral

loongson/mirror pyintegral-0.0.13.tar.gz
loongson/mirror pyintegral-0.0.12.2.tar.gz
loongson/mirror pyintegral-0.0.12.tar.gz
loongson/mirror PyIntegral-0.0.11.tar.gz
loongson/mirror PyIntegral-0.0.10.tar.gz