Add changelog entry regarding API change from pull req #165.
Add changelog entry regarding API change from pull req #165.

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