Revision 19477: bugfix: *:retain in mqttPublish without function (qos too) ...

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Revision 19477: bugfix: *:retain in mqttPublish without function (qos too) ...

bugfix: *:retain in mqttPublish without function (qos too)
improvement: $uid variable in expressions (mqttPublish)
bugfix: replace vars in _evalValue2
feature: supports multiple topics pro reading (mqttPublish)

Source: Revision 19477: bugfix: *:retain in mqttPublish without function (qos too) ...