Fixed Max Stack Size of ItemGoldDoor

Changed the max stack size of ItemGoldDoor to 16 as it is for Vanilla
doors on some modpacks. Later versions of Vanilla have door stacking to
64 so this will need to change eventually.

src/main/java/StevenDimDoors/mod_pocketDim/items/ItemGoldDoor.java

@@ -15,6 +15,7 @@ public class ItemGoldDoor extends ItemDoor
 	public ItemGoldDoor(int par1, Material par2Material) 
 	{
 		super(par1, par2Material);
+		this.setMaxStackSize(16);
 	}
 
 	@Override