* Afterward, there is two solutions.
* - If your master is a deamon which never stops itself (just like regular UNIX daemons), it should:
* - register the needed callbacks to messages comming from slaves
* Afterward, there is two solutions.
* - If your master is a deamon which never stops itself (just like regular UNIX daemons), it should:
* - register the needed callbacks to messages comming from slaves