add instance

instance.go

@@ -60,6 +60,11 @@ func Command() *cli.Server {
 	return std.Command()
 }
 
+func ShortName() string {
+	initApplication()
+	return std.opts.ShortName()
+}
+
 func Handle(method string, cb HandleFunc) {
 	initApplication()
 	std.Handle(method, cb)