loongson/pypi: links for pywrstat

loongson/mirror pywrstat-0.0.dev8.tar.gz
loongson/mirror pywrstat-0.0.dev6.tar.gz
loongson/mirror pywrstat-0.0.dev5.tar.gz
loongson/mirror pywrstat-0.0.dev3.tar.gz
loongson/mirror pywrstat-0.0.dev1.tar.gz