Added support for defining macros in Rust within the macro system

Also fixed a lot of bugs

orchid-host/src/system.rs

@@ -3,9 +3,9 @@ use std::fmt;
 use std::future::Future;
 use std::rc::{Rc, Weak};
 
-use async_lock::RwLock;
 use derive_destructure::destructure;
 use futures::future::join_all;
+use futures_locks::RwLock;
 use hashbrown::HashMap;
 use itertools::Itertools;
 use memo_map::MemoMap;
@@ -163,6 +163,9 @@ impl System {
 					)),
 				None => (),
 			}
+			if root_data.root.members.get(selector).is_some() {
+				return Ok(VName::new(rel.iter().cloned()).expect("split_first was called above"));
+			}
 			if tail.is_empty() {
 				return Ok(VPath::new(cwd.iter().cloned()).name_with_suffix(selector.clone()));
 			}