Add method add to RouteInterface
Add method add to RouteInterface

iinux/Slim,feryardiant/slim,foxyantho/Slim,dopesong/Slim,AndrewCarterUK/Slim,akrabat/Slim,juliangut/Slim,JoeBengalen/Slim,slimphp/Slim,mnapoli/Slim,Sam-Burns/Slim,RealSelf/Slim,iinux/Slim,iinux/Slim