Added more verboses traces to sequencer base class finished() function.
Added more verboses traces to sequencer base class finished() function.

jeremysalwen/Ecasound-LV2,jeremysalwen/Ecasound-LV2,jeremysalwen/Ecasound-LV2,jeremysalwen/Ecasound-LV2,jeremysalwen/Ecasound-LV2