loongson/pypi: links for pdpy-lib

loongson/mirror pdpy-lib-0.1.6.tar.gz
loongson/mirror pdpy-lib-0.1.5.tar.gz
loongson/mirror pdpy-lib-0.1.3.tar.gz
loongson/mirror pdpy-lib-0.1.2.tar.gz
loongson/mirror pdpy-lib-0.1.1.tar.gz