loongson/mirror: links for pln

loongson/mirror pln-0.0.2dev.tar.gz
loongson/mirror pln-0.0.2dev-py2-none-any.whl
loongson/mirror pln-0.0.1dev.tar.gz
loongson/mirror pln-0.0.1dev-cp27-none-macosx_10_10_intel.whl