listener: Speed up event emitting and improve error reporting
listener: Speed up event emitting and improve error reporting

glogiotatidis/mopidy,mokieyue/mopidy,tkem/mopidy,kingosticks/mopidy,jmarsik/mopidy,diandiankan/mopidy,tkem/mopidy,jcass77/mopidy,jcass77/mopidy,adamcik/mopidy,jodal/mopidy,mopidy/mopidy,adamcik/mopidy,ZenithDK/mopidy,pacificIT/mopidy,hkariti/mopidy,SuperStarPL/mopidy,dbrgn/mopidy,dbrgn/mopidy,mokieyue/mopidy,ali/mopidy,ali/mopidy,bacontext/mopidy,ZenithDK/mopidy,SuperStarPL/mopidy,swak/mopidy,ZenithDK/mopidy,kingosticks/mopidy,jcass77/mopidy,rawdlite/mopidy,jmarsik/mopidy,jodal/mopidy,swak/mopidy,vrs01/mopidy,bacontext/mopidy,quartz55/mopidy,diandiankan/mopidy,swak/mopidy,glogiotatidis/mopidy,bacontext/mopidy,tkem/mopidy,bencevans/mopidy,quartz55/mopidy,rawdlite/mopidy,dbrgn/mopidy,ali/mopidy,dbrgn/mopidy,pacificIT/mopidy,quartz55/mopidy,mopidy/mopidy,pacificIT/mopidy,SuperStarPL/mopidy,vrs01/mopidy,mopidy/mopidy,bencevans/mopidy,jmarsik/mopidy,diandiankan/mopidy,jodal/mopidy,ali/mopidy,mokieyue/mopidy,ZenithDK/mopidy,quartz55/mopidy,hkariti/mopidy,tkem/mopidy,rawdlite/mopidy,vrs01/mopidy,bacontext/mopidy,pacificIT/mopidy,glogiotatidis/mopidy,hkariti/mopidy,bencevans/mopidy,glogiotatidis/mopidy,SuperStarPL/mopidy,diandiankan/mopidy,hkariti/mopidy,jmarsik/mopidy,mokieyue/mopidy,bencevans/mopidy,rawdlite/mopidy,kingosticks/mopidy,vrs01/mopidy,swak/mopidy,adamcik/mopidy