loongson/pypi: links for packutil

loongson/mirror packutil-0.0.4-py3-none-any.whl
loongson/mirror packutil-0.0.3-py3-none-any.whl
loongson/mirror packutil-0.0.2-py3-none-any.whl
loongson/mirror packutil-0.0.1-py3-none-any.whl