add some use cases
add some use cases

davepacheco/rfd,davepacheco/rfd,melloc/rfd,melloc/rfd,davepacheco/rfd,rmustacc/rfd,rmustacc/rfd,AnthonyMann/rfd,joyent/rfd,joyent/rfd,davepacheco/rfd,joyent/rfd,davepacheco/rfd,joyent/rfd,melloc/rfd,AnthonyMann/rfd