added some tools to server, removed deprecated

code and adjusted entity, game, and event files to
work with items being mandatory for entities.

entities/entity.py

@@ -6,7 +6,7 @@ from utils.item import Item
 import uuid
 
 class Entity(Serializable):
-    def __init__(self, name:str, strength:int, dexterity:int, intelligence:int, wisdom:int, charisma:int, hp:int, armor:int, speed:int, equipped_item:Item=None):
+    def __init__(self, name:str, strength:int, dexterity:int, intelligence:int, wisdom:int, charisma:int, hp:int, armor:int, speed:int, equipped_item:Item):
         self.id = str(uuid.uuid4())
         self.name = name
         self.strength = 20