Added device-local callbacks for links and connections to python bindings.
Added device-local callbacks for links and connections to python bindings.

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