improved terminal stuff

src/bin/HelloWorld.hx

@@ -1,16 +1,17 @@
 package bin;
 
+using tink.CoreApi;
 import lib.TermHandle;
 import lib.CLIBase;
 
 class HelloWorld extends CLIBase {
-	public function invoke(handle: TermHandle):Bool {
+	public function invoke(handle: TermHandle):Future<Bool> {
 		var world:String = "world";
 		if (handle.args.length > 0) {
 			world = handle.args[0];
 		}
 
 		handle.write('Hello, $world!');
-		return true;
+		return Future.sync(true);
 	}
 }