Add logging for loading of tag_cache and playlists, and exception message for LookupError
Add logging for loading of tag_cache and playlists, and exception message for LookupError

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