loongson/pypi: links for pytty

loongson/mirror PyTTY-0.4.tar.bz2
loongson/mirror PyTTY-0.3.tar.bz2
loongson/mirror PyTTY-0.2.tar.gz
loongson/mirror PyTTY-0.2.tar.bz2
loongson/mirror PyTTY-0.1.tar.gz