Fix crash getting game_name for CGB titles

Will contain invalid characters, the range should be adjusted to remove these characters

src/main.rs

@@ -153,9 +153,7 @@ fn main() {
  file.read_to_end(&mut buffer).expect("Failed to read ROM!");
 
  // Get game name
- let name_data = &buffer[0x0134..=0x0143];
- let index = name_data.iter().position(|&r| r == 0x00).unwrap();
- let game_name = std::str::from_utf8(&name_data[0..index]).expect("Failed to get game name!");
+ let game_name = String::from_utf8_lossy(&buffer[0x0134..=0x0143]);
  println!("Starting \"{}\" in {:?} Mode...", game_name, config.mode);
 
  let panic = std::panic::take_hook();