Work on more references

src/main.rs

@@ -8,9 +8,14 @@ mod level;
 mod position;
 
 fn main() {
+    let mut p = Player::new("Teddy Tester", 10);
     let g = Game {
-        player: Player::new("Teddy Tester", 10),
-        levels: [Level::new();25]
+        player: &mut p,
+        levels: Vec::new()
     };
+
     println!("{}",g.player.get_name());
+    println!("{}",g.player.get_life());
+    g.player.change_life(-1);
+    println!("{}",g.player.get_life());
 }