Stats tracking updated. Work on skull storms. Enemy death sound added for goblins. Various updates and fixes.

src/player.py

@@ -1,5 +1,6 @@
 import pygame
 from libstormgames import *
+from src.stat_tracker import StatTracker
 from src.weapon import Weapon
 
 
@@ -21,6 +22,7 @@ class Player:
         self._lives = 1
         self.distanceSinceLastStep = 0
         self.stepDistance = 0.5
+        self.stats = StatTracker()
         
         # Inventory system
         self.inventory = []