Edouard Tisserant [Tue, 23 Feb 2021 16:16:12 +0100] rev 2720
PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant [Mon, 18 Jan 2021 10:59:28 +0100] rev 2719
Merge