A bunch of fixes and improvements

src/static_data/libraries/move_library.rs

@@ -61,7 +61,7 @@ pub mod tests {
         let m = build_move();
         // Borrow as mut so we can insert
         let w = &mut lib;
-        w.add(&StringKey::new("foo"), m);
+        w.add(&StringKey::new("foo".into()), m);
         // Drops borrow as mut
 
         lib