Notify the other objects when channels are changed.
Notify the other objects when channels are changed.

- DMX monitor wasn't updated when channel count of a dimmer was changed

joepadmiraal/qlcplus,kripton/qlcplus,interzona/qlcplus,nedmech/qlcplus,hveld/qlcplus,bjlupo/rcva_qlcplus,interzona/qlcplus,mcallegari/qlcplus,mcallegari/qlcplus,nedmech/qlcplus,kripton/qlcplus,interzona/qlcplus,sbenejam/qlcplus,peternewman/qlcplus,joepadmiraal/qlcplus,kripton/qlcplus,nedmech/qlcplus,interzona/qlcplus,plugz/qlcplus,peternewman/qlcplus,plugz/qlcplus,mcallegari/qlcplus,joepadmiraal/qlcplus,nedmech/qlcplus,plugz/qlcplus,peternewman/qlcplus,bjlupo/rcva_qlcplus,nedmech/qlcplus,hveld/qlcplus,mcallegari/qlcplus,kripton/qlcplus,bjlupo/rcva_qlcplus,sbenejam/qlcplus,bjlupo/rcva_qlcplus,sbenejam/qlcplus,mcallegari/qlcplus,plugz/qlcplus,sbenejam/qlcplus,sbenejam/qlcplus,hveld/qlcplus,kripton/qlcplus,peternewman/qlcplus,peternewman/qlcplus,plugz/qlcplus,bjlupo/rcva_qlcplus,hveld/qlcplus,nedmech/qlcplus,peternewman/qlcplus,hveld/qlcplus,joepadmiraal/qlcplus,kripton/qlcplus,kripton/qlcplus,mcallegari/qlcplus,joepadmiraal/qlcplus,bjlupo/rcva_qlcplus,plugz/qlcplus,sbenejam/qlcplus,interzona/qlcplus,joepadmiraal/qlcplus,plugz/qlcplus,sbenejam/qlcplus,hveld/qlcplus,mcallegari/qlcplus,interzona/qlcplus