Shin bones now restore health like they are supposed to do. Healing now happens even if invincible. Thanks Ember for the bug report.

src/player.py

@@ -189,10 +189,12 @@ class Player:
 
     def set_health(self, value):
         """Set health and handle death if needed."""
-        if self.isInvincible:
-            return  # No damage while invincible
-        
         old_health = self._health
+    
+        # Oops, allow healing while invincible.
+        if self.isInvincible and value < old_health:
+            return  
+    
         self._health = max(0, value)  # Health can't go below 0
     
         if self._health == 0 and old_health > 0: