Remove ArtistNotFoundException in favor of returning None for simplicity
Remove ArtistNotFoundException in favor of returning None for simplicity

gabrielaraujof/beets,swt30/beets,jcoady9/beets,beetbox/beets,madmouser1/beets,imsparsh/beets,m-urban/beets,Andypsamp/CODjunit,SusannaMaria/beets,jackwilsdon/beets,Andypsamp/CODjunit,multikatt/beets,lengtche/beets,shamangeorge/beets,moodboom/beets,beetbox/beets,drm00/beets,YetAnotherNerd/beets,pkess/beets,sadatay/beets,YetAnotherNerd/beets,imsparsh/beets,tima/beets,untitaker/beets,mried/beets,mathstuf/beets,MyTunesFreeMusic/privacy-policy,arabenjamin/beets,sampsyo/beets,pkess/beets,Dishwishy/beets,artemutin/beets,multikatt/beets,beetbox/beets,MyTunesFreeMusic/privacy-policy,parapente/beets,Andypsamp/CODjunit,gabrielaraujof/beets,PierreRust/beets,untitaker/beets,m-urban/beets,Andypsamp/CODjunit,mathstuf/beets,madmouser1/beets,mosesfistos1/beetbox,multikatt/beets,untitaker/beets,Freso/beets,pkess/beets,SusannaMaria/beets,asteven/beets,lightwang1/beets,tima/beets,xsteadfastx/beets,Kraymer/beets,moodboom/beets,dfc/beets,madmouser1/beets,shanemikel/beets,imsparsh/beets,LordSputnik/beets,moodboom/beets,lengtche/beets,jmwatte/beets,kareemallen/beets,Kraymer/beets,jackwilsdon/beets,drm00/beets,lightwang1/beets,Andypsamp/CODfinalJUNIT,mried/beets,imsparsh/beets,Dishwishy/beets,swt30/beets,ruippeixotog/beets,dfc/beets,sadatay/beets,lightwang1/beets,xsteadfastx/beets,asteven/beets,jcoady9/beets,Freso/beets,ttsda/beets,tima/beets,shamangeorge/beets,Andypsamp/CODfinalJUNIT,ibmibmibm/beets,arabenjamin/beets,kareemallen/beets,marcuskrahl/beets,ibmibmibm/beets,swt30/beets,shanemikel/beets,Andypsamp/CODfinalJUNIT,randybias/beets,ruippeixotog/beets,PierreRust/beets,asteven/beets,pkess/beets,beetbox/beets,artemutin/beets,marcuskrahl/beets,Dishwishy/beets,MyTunesFreeMusic/privacy-policy,diego-plan9/beets,diego-plan9/beets,sampsyo/beets,xsteadfastx/beets,jackwilsdon/beets,PierreRust/beets,multikatt/beets,sampsyo/beets,lengtche/beets,Andypsamp/CODjunit,m-urban/beets,mosesfistos1/beetbox,kareemallen/beets,shamangeorge/beets,ibmibmibm/beets,mried/beets,SusannaMaria/beets,shanemikel/beets,ruippeixotog/beets,LordSputnik/beets,LordSputnik/beets,sampsyo/beets,gabrielaraujof/beets,lightwang1/beets,drm00/beets,kareemallen/beets,mathstuf/beets,kelvinhammond/beets,arabenjamin/beets,ruippeixotog/beets,mathstuf/beets,marcuskrahl/beets,mried/beets,LordSputnik/beets,jmwatte/beets,YetAnotherNerd/beets,lengtche/beets,kelvinhammond/beets,drm00/beets,moodboom/beets,artemutin/beets,ibmibmibm/beets,parapente/beets,PierreRust/beets,kelvinhammond/beets,xsteadfastx/beets,shanemikel/beets,Kraymer/beets,m-urban/beets,jackwilsdon/beets,jmwatte/beets,mosesfistos1/beetbox,diego-plan9/beets,ttsda/beets,sadatay/beets,Freso/beets,MyTunesFreeMusic/privacy-policy,asteven/beets,kelvinhammond/beets,marcuskrahl/beets,shamangeorge/beets,parapente/beets,randybias/beets,arabenjamin/beets,swt30/beets,mosesfistos1/beetbox,dfc/beets,untitaker/beets,parapente/beets,jcoady9/beets,Freso/beets,jmwatte/beets,gabrielaraujof/beets,Kraymer/beets,randybias/beets,sadatay/beets,YetAnotherNerd/beets,randybias/beets,artemutin/beets,SusannaMaria/beets,diego-plan9/beets,Andypsamp/CODfinalJUNIT,ttsda/beets,ttsda/beets,Andypsamp/CODfinalJUNIT,madmouser1/beets,dfc/beets,tima/beets,jcoady9/beets,Dishwishy/beets