loongson/pypi: links for chandler-xmppplugin

loongson/mirror Chandler-XmppPlugin-0.8-r1761.tar.gz
loongson/mirror Chandler-XmppPlugin-0.8-r1760.tar.gz
loongson/mirror Chandler-XmppPlugin-0.8-r1759.tar.gz
loongson/mirror Chandler-XmppPlugin-0.8-r1758.tar.gz