ArtNet - another fix: length should be in the range 2-512
ArtNet - another fix: length should be in the range 2-512

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