loongson/pypi: links for buildout-dumppickedversions

loongson/mirror buildout.dumppickedversions-0.5.tar.gz
loongson/mirror buildout.dumppickedversions-0.4.tar.gz
loongson/mirror buildout.dumppickedversions-0.3.tar.gz
loongson/mirror buildout.dumppickedversions-0.2.tar.gz
loongson/mirror buildout.dumppickedversions-0.1.tar.gz