Add a little more README documentation.
Add a little more README documentation.

tempbottle/copycat,arnonmoscona/copycat,aruanruan/copycat,tempbottle/copycat,madjam/copycat,kuujo/copycat,kuujo/copycat,arnonmoscona/copycat,madjam/copycat,atomix/atomix,atomix/atomix,aruanruan/copycat