renamed Config to Users to clarify the purpose of this attribute

Signed-off-by: Kai Hermann <kai.uwe.hermann@gmail.com>
fixed network communication, now messages can be sent/received to/from any ip address not only localhost

Signed-off-by: Kai Hermann <kai.uwe.hermann@gmail.com>
implemented a function to control the direction of the car using a servo thats connected to the pis gpio pins

Signed-off-by: Kai Hermann <kai.uwe.hermann@gmail.com>