v0.4.0 - 14/06/2017

Add credentials support to socket server (define TCPSERVER_USER and TCPSERVER_PWD in your config file)
Add management lock/unlock for prevent concurrente call to open/close solenoid
Added the ability to enter an open / close schedule in disabled mode
Add send statistic information to remote server
During the initialization function, information on the last rain is no longer removed