loongson/pypi: links for caighdean

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