Use new return system to de-register.
Use new return system to de-register.

bsanders/kazoo,pombredanne/kazoo,python-zk/kazoo,kormat/kazoo,jacksontj/kazoo,kormat/kazoo,rackerlabs/kazoo,Asana/kazoo,AlexanderplUs/kazoo,rockerbox/kazoo,pombredanne/kazoo,tempbottle/kazoo,bsanders/kazoo,rackerlabs/kazoo,max0d41/kazoo,max0d41/kazoo,jacksontj/kazoo,rgs1/kazoo,harlowja/kazoo,AlexanderplUs/kazoo,harlowja/kazoo,rockerbox/kazoo,tempbottle/kazoo,rgs1/kazoo,python-zk/kazoo