Entity
			
			- Added uint NetworkHandle { get; }
 - Added int GetSerialByHandle(uint handle)
 - Added int GetSerialByNetworkHandle(uint networkHandle)
 - Added int GetIndexByHandle(uint handle)
 - Added uint GetHandleByNetworkHandle(uint networkHandle)
 - Added uint GetNetworkHandleByHandle(uint handle)
 - Added uint GetNetworkHandleByIndex(int index, int serial)