correct textual docs for KazooClient.exists
correct textual docs for KazooClient.exists

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