* Config should be provided as Yaml file now
* Other way to provide configuration are now deprectaed
* The config format is checked agaist a schema with the json-schema standard
* Tests are are added to the project (in the backend for config parsing)
* Should enable for more performances when there are a lot of users
* Messages are pretty small so compression might not be needed
* Volatile reduces the number of exchanges between the server and the clients