update spec
update spec

jessesquires/JSQCoreDataKit,pajai/JSQCoreDataKit,saurabytes/JSQCoreDataKit,artemkalinovsky/JSQCoreDataKit,artemkalinovsky/JSQCoreDataKit,saurabytes/JSQCoreDataKit,jessesquires/JSQCoreDataKit,artemkalinovsky/JSQCoreDataKit,pajai/JSQCoreDataKit,jessesquires/JSQCoreDataKit