loongson/pypi: links for collective-backtowork

loongson/mirror collective.backtowork-0.6.4.zip
loongson/mirror collective.backtowork-0.6.3.zip
loongson/mirror collective.backtowork-0.6.2.zip
loongson/mirror collective.backtowork-0.6.1.zip
loongson/mirror collective.backtowork-0.6.0.zip
loongson/mirror collective.backtowork-0.5.2.tar.gz
loongson/mirror collective.backtowork-0.5.1.tar.gz
loongson/mirror collective.backtowork-0.5.tar.gz