added more api methods

pots.py

@@ -22,6 +22,7 @@ class CoffeePot(Pot):
 
     def __init__(self, name):
         super(CoffeePot, self).__init__(name)
+        self.coffeeOrders = []
         print("Coffee pot initialised")
 
     def brew(self, headers):
@@ -29,5 +30,24 @@ class CoffeePot(Pot):
         new_order = order.Order("NewOrder")
         new_order.configure(headers)
         print(new_order.json_dump())
+        self.coffeeOrders.append(new_order)
         return "Brewing"
+    
+    def get(self):
+        if self.coffeeOrders:
+            return self.coffeeOrders[0].json_dump()
+        else:
+            return {}
+    
+    def popOrder(self):
+        if self.coffeeOrders:
+            requestedOrder = self.coffeeOrders.pop()
+            return requestedOrder.json_dump()
+        else:
+            return {}
+    
+    def getOrderCount(self):
+        return str(len(self.coffeeOrders))
+    
+