loongson/pypi: links for exeter

loongson/mirror exeter-0.5.1.tar.gz
loongson/mirror exeter-0.5.1-py3-none-any.whl
loongson/mirror exeter-0.4.3.tar.gz
loongson/mirror exeter-0.4.3-py3-none-any.whl
loongson/mirror exeter-0.4.2.tar.gz
loongson/mirror exeter-0.4.2-py3-none-any.whl
loongson/mirror exeter-0.4.1-py3-none-any.whl