loongson/pypi: links for pybin

loongson/mirror pybin-0.3.4.tar.gz
loongson/mirror pybin-0.3.4-py2.py3-none-any.whl
loongson/mirror pybin-0.3.3.tar.gz
loongson/mirror pybin-0.3.3-py2.py3-none-any.whl
loongson/mirror pybin-0.3.2.tar.gz
loongson/mirror pybin-0.3.2-py2.py3-none-any.whl