Add note about lock being re-entrant per Issue #134.
Add note about lock being re-entrant per Issue #134.

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