Add launch argument parser, add debug parameter to machine

burritos now launch binary

src/kernel/thread_manager.rs

@@ -206,7 +206,7 @@ mod test {
 
     #[test]
     fn test_thread_context() {
-        let mut machine = Machine::default();
+        let mut machine = Machine::new(true);
 
         let (loader, ptr) = loader::Loader::new("./target/guac/halt.guac", &mut machine, 0).expect("IO Error");
         let start_pc = loader.elf_header.entrypoint;