loader now return better understanable errors, fix when compiler when to use bss section, add join exception, fix get_string_param, add support for thread in obbAddr, add a test

src/main.rs

@@ -40,7 +40,7 @@ fn main() {
     let args = Args::parse();
 
     let mut machine = Machine::new(args.debug);
-    let (loader, ptr) = loader::Loader::new(args.executable.as_str(), &mut machine, 0).expect("IO Error");
+    let (loader, ptr) = loader::Loader::new(args.executable.as_str(), &mut machine, 0).expect("An error occured while parsing the program");
     
     let mut system = System::default();