migrated the apps to processes

src/bin/HelloWorld.hx

@@ -1,21 +1,16 @@
 package bin;
 
-import lib.cli.TermHandle;
-import lib.cli.CLIApp;
+import kernel.ps.ProcessHandle;
+import kernel.ps.Process;
 
 using tink.CoreApi;
 
-class HelloWorld extends CLIApp {
+class HelloWorld implements Process {
 
 	public function new() {}
 
-	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 Future.sync(true);
+	public function run(handle:ProcessHandle) {
+		handle.write("Hello World!");
+		handle.close();
 	}
 }