loongson/pypi: links for safeint

loongson/mirror safeint-0.0.4-py2.py3-none-any.whl
loongson/mirror safeint-0.0.3.tar.gz
loongson/mirror safeint-0.0.3-py2.py3-none-any.whl
loongson/mirror safeint-0.0.2-py2.py3-none-any.whl
loongson/mirror safeint-0.0.1-py2.py3-none-any.whl