Inform remote map peers if the number of signal instances changes.
Inform remote map peers if the number of signal instances changes.

libmapper/libmapper,radarsat1/libmapper,libmapper/libmapper,malloch/libmapper,radarsat1/libmapper,radarsat1/libmapper,libmapper/libmapper,malloch/libmapper,libmapper/libmapper,malloch/libmapper,libmapper/libmapper,malloch/libmapper,radarsat1/libmapper,radarsat1/libmapper,malloch/libmapper,malloch/libmapper,libmapper/libmapper