loongson/pypi: links for nrksub

loongson/mirror nrksub-0.4.0.tar.gz
loongson/mirror nrksub-0.4.0.tar.bz2
loongson/mirror nrksub-0.2.1.tar.gz
loongson/mirror nrksub-0.2.1.tar.bz2
loongson/mirror nrksub-0.2.0.tar.gz
loongson/mirror nrksub-0.2.0.tar.bz2