Factor in @zevero's bugfix and move to Pouch.uuid
Factor in @zevero's bugfix and move to Pouch.uuid

nicolasbrugneaux/express-pouchdb,tyler-johnson/express-pouchdb,nicolasbrugneaux/express-pouchdb,nicolasbrugneaux/express-pouchdb,pouchdb/pouchdb-server,pouchdb/pouchdb-server,tyler-johnson/express-pouchdb,tyler-johnson/express-pouchdb