Slight simplification of last commit, and do not enable expression mode if setting expression fails
Slight simplification of last commit, and do not enable expression mode if setting expression fails

johnty/libmapper,malloch/libmapper,malloch/libmapper,radarsat1/libmapper,johnty/libmapper,malloch/libmapper,libmapper/libmapper,libmapper/libmapper,davidhernon/libmapper-admin2,johnty/libmapper,davidhernon/libmapper,malloch/libmapper,davidhernon/libmapper-admin2,davidhernon/libmapper-admin2,radarsat1/libmapper,davidhernon/libmapper,libmapper/libmapper,libmapper/libmapper,radarsat1/libmapper,libmapper/libmapper,davidhernon/libmapper,davidhernon/libmapper-admin2,johnty/libmapper,davidhernon/libmapper,davidhernon/libmapper-admin2,davidhernon/libmapper,johnty/libmapper,malloch/libmapper,radarsat1/libmapper,radarsat1/libmapper,malloch/libmapper,libmapper/libmapper