loongson/pypi: links for py-protocol

loongson/mirror py-protocol-0.0.3a5.tar.gz
loongson/mirror py-protocol-0.0.3a4.tar.gz
loongson/mirror py-protocol-0.0.3a3.tar.gz
loongson/mirror py-protocol-0.0.3a2.tar.gz
loongson/mirror py-protocol-0.0.3a1.tar.gz
loongson/mirror py-protocol-0.0.3a0.tar.gz
loongson/mirror py-protocol-0.0.2.tar.gz