loongson/pypi: links for rpgtools

loongson/mirror rpgtools-0.4a.1.tar.gz
loongson/mirror rpgtools-0.4a.0.tar.gz
loongson/mirror rpgtools-0.3a.1.tar.gz
loongson/mirror rpgtools-0.2a.1.tar.gz
loongson/mirror rpgtools-0.2a.0.tar.gz