Added support for defining macros in Rust within the macro system

Also fixed a lot of bugs

orchid-base/src/reqnot.rs

@@ -145,7 +145,7 @@ impl<T: MsgSet> ReqNot<T> {
 			notif_cb(notif_val, self.clone()).await
 		} else if 0 < id.bitand(1 << 63) {
 			let mut sender = g.responses.remove(&!id).expect("Received response for invalid message");
-			sender.send(message.to_vec()).await.unwrap()
+			let _ = sender.send(message.to_vec()).await;
 		} else {
 			let message = <T::In as Channel>::Req::decode(Pin::new(&mut &payload[..])).await;
 			let mut req_cb = clone_box(&*g.req);