unfortunately, this whole project was doomed from the start

unloading libraries is unsupported/will lead to serious runtime issues on most if not all platforms

host_tools/src/lib.rs

@@ -13,7 +13,6 @@ pub type RegisterFn = *mut dyn Plugin;
 #[derive(Debug)]
 pub enum PluginResult {
 	Ok,
-	FunctionNotFound,
 	Other(String),
 }