Update for PR

Readd sprite tracker to not reuse indices
check for capacity when returning pool entries
Update script for printing memory map

include/sprite.h

@@ -14,6 +14,7 @@ typedef struct
     OBJ_ATTR *obj;
     OBJ_AFFINE *aff;
     POINT pos;
+    int idx;
 } Sprite;
 
 // A sprite object is a sprite that is selectable and movable in animation
@@ -66,4 +67,4 @@ Sprite* sprite_object_get_sprite(SpriteObject* sprite_object);
 void sprite_object_set_focus(SpriteObject* sprite_object, bool focus);
 bool sprite_object_is_focused(SpriteObject* sprite_object);
 
-#endif // SPRITE_H
+#endif // SPRITE_H