What this does:
if a DDNet-Client with proper netversion connects, the server sends its netversion back. Compatibility is made sure like that.
If client and server match the server will send more detailed character infos, to be more precise it will send a ddnet specific character-netobject that inherits from the standard netobject. This can be done in the same way for other netobjects to add additional ddnet-specific infos.
This is quite old, is there some better solution you can thi...