Fixed line return for cd

src/lib.rs

@@ -49,6 +49,8 @@ pub mod shell {
                     let root = Path::new(new_dir);
                     if let Err(e) = env::set_current_dir(&root) {
                         eprintln!(" Err: {}", e);
+                    } else {
+                        println!("");
                     }
                     previous_command = None;
                 },