loongson/pypi: links for setuptools-git-version

loongson/mirror setuptools-git-version-1.0.3.zip
loongson/mirror setuptools-git-version-1.0.2.zip
loongson/mirror setuptools-git-version-1.0.zip
loongson/mirror setuptools-git-version-1.0a2.zip
loongson/mirror setuptools-git-version-1.0a1.zip