added a method to find a previous instance of an EventFilter, so that filters can use this filter to do things for them
added a method to find a previous instance of an EventFilter, so that filters can use this filter to do things for them
SensorsINI/jaer,SensorsINI/jaer,SensorsINI/jaer,SensorsINI/jaer,SensorsINI/jaer,SensorsINI/jaer,SensorsINI/jaer,SensorsINI/jaer