MPD: Clearify what SONGID in playlistmove is
MPD: Clearify what SONGID in playlistmove is

kingosticks/mopidy,priestd09/mopidy,mopidy/mopidy,bacontext/mopidy,quartz55/mopidy,diandiankan/mopidy,pacificIT/mopidy,vrs01/mopidy,woutervanwijk/mopidy,bencevans/mopidy,liamw9534/mopidy,dbrgn/mopidy,SuperStarPL/mopidy,jodal/mopidy,swak/mopidy,jmarsik/mopidy,jcass77/mopidy,ali/mopidy,dbrgn/mopidy,priestd09/mopidy,mokieyue/mopidy,priestd09/mopidy,vrs01/mopidy,dbrgn/mopidy,tkem/mopidy,kingosticks/mopidy,bacontext/mopidy,dbrgn/mopidy,pacificIT/mopidy,abarisain/mopidy,hkariti/mopidy,adamcik/mopidy,tkem/mopidy,bencevans/mopidy,jmarsik/mopidy,mopidy/mopidy,tkem/mopidy,jcass77/mopidy,diandiankan/mopidy,bacontext/mopidy,ali/mopidy,diandiankan/mopidy,bacontext/mopidy,jmarsik/mopidy,tkem/mopidy,mopidy/mopidy,quartz55/mopidy,SuperStarPL/mopidy,mokieyue/mopidy,hkariti/mopidy,jodal/mopidy,ZenithDK/mopidy,abarisain/mopidy,liamw9534/mopidy,adamcik/mopidy,glogiotatidis/mopidy,swak/mopidy,rawdlite/mopidy,vrs01/mopidy,kingosticks/mopidy,mokieyue/mopidy,quartz55/mopidy,hkariti/mopidy,bencevans/mopidy,ali/mopidy,bencevans/mopidy,ZenithDK/mopidy,swak/mopidy,pacificIT/mopidy,SuperStarPL/mopidy,rawdlite/mopidy,SuperStarPL/mopidy,quartz55/mopidy,jmarsik/mopidy,jodal/mopidy,adamcik/mopidy,glogiotatidis/mopidy,mokieyue/mopidy,rawdlite/mopidy,diandiankan/mopidy,vrs01/mopidy,glogiotatidis/mopidy,hkariti/mopidy,woutervanwijk/mopidy,ZenithDK/mopidy,ali/mopidy,swak/mopidy,jcass77/mopidy,rawdlite/mopidy,glogiotatidis/mopidy,ZenithDK/mopidy,pacificIT/mopidy