Update keyvalue example.
Update keyvalue example.

quantiply-fork/copycat,tempbottle/copycat,madjam/copycat,kuujo/copycat,arnonmoscona/copycat,aruanruan/copycat,tempbottle/copycat,arnonmoscona/copycat,madjam/copycat,kuujo/copycat,aruanruan/copycat,atomix/atomix,atomix/atomix