cleaned up code

src/backend.rs

@@ -141,8 +141,7 @@ impl<'a> Vm {
 				    for item in &self.stack {
 					print!("{:?} ", item);
 				    }
-				    print!("<- TOP");
-				    println!();
+				    println!("<- TOP");
 				},
 				Some("data") => {
 				    println!("{:?}", self.dictionary.data);