Links for PyPubSub

http://downloads.sourceforge.net/project/pubsub/pubsub/3.1.2/PyPubSub-3.1.2.zip?r=&ts=1391286031&use_mirror=hivelocity#md5=e16c486766274c3f230ec94d07c922a8
http://downloads.sourceforge.net/project/pubsub/pubsub/3.2.0/PyPubSub-3.2.0.zip?r=&ts=1391285815&use_mirror=iweb#md5=ad2f4978a0d27db725a0b158df56ff14
http://downloads.sourceforge.net/project/pubsub/pubsub/3.3.0/PyPubSub-3.3.0.zip?r=&ts=1402255259&use_mirror=hivelocity#md5=1c8d88cc2506532df85bc95dde719816