catch Mutagen exceptions when reading fields (#356)
catch Mutagen exceptions when reading fields (#356)

PierreRust/beets,sampsyo/beets,PierreRust/beets,artemutin/beets,gabrielaraujof/beets,krig/beets,asteven/beets,ttsda/beets,krig/beets,parapente/beets,jackwilsdon/beets,moodboom/beets,aspidites/beets,Andypsamp/CODfinalJUNIT,gabrielaraujof/beets,PierreRust/beets,sadatay/beets,marcuskrahl/beets,Dishwishy/beets,kelvinhammond/beets,sadatay/beets,untitaker/beets,Andypsamp/CODjunit,sampsyo/beets,shanemikel/beets,untitaker/beets,jmwatte/beets,randybias/beets,dfc/beets,Freso/beets,asteven/beets,parapente/beets,andremiller/beets,SusannaMaria/beets,YetAnotherNerd/beets,xsteadfastx/beets,shanemikel/beets,sadatay/beets,YetAnotherNerd/beets,kareemallen/beets,m-urban/beets,ibmibmibm/beets,Kraymer/beets,swt30/beets,andremiller/beets,shanemikel/beets,mosesfistos1/beetbox,kelvinhammond/beets,m-urban/beets,ruippeixotog/beets,shamangeorge/beets,imsparsh/beets,mried/beets,kareemallen/beets,dfc/beets,drm00/beets,asteven/beets,jbaiter/beets,m-urban/beets,m-urban/beets,lengtche/beets,bj-yinyan/beets,imsparsh/beets,SusannaMaria/beets,shamangeorge/beets,kareemallen/beets,LordSputnik/beets,diego-plan9/beets,artemutin/beets,marcuskrahl/beets,arabenjamin/beets,mathstuf/beets,moodboom/beets,MyTunesFreeMusic/privacy-policy,sampsyo/beets,madmouser1/beets,marcuskrahl/beets,Andypsamp/CODjunit,drm00/beets,parapente/beets,shamangeorge/beets,SusannaMaria/beets,ruippeixotog/beets,mathstuf/beets,madmouser1/beets,pdf/beets,YetAnotherNerd/beets,tima/beets,jbaiter/beets,marcuskrahl/beets,beetbox/beets,arabenjamin/beets,jcoady9/beets,parapente/beets,randybias/beets,Andypsamp/CODjunit,bj-yinyan/beets,pkess/beets,multikatt/beets,tima/beets,gabrielaraujof/beets,mried/beets,pkess/beets,ruippeixotog/beets,sampsyo/beets,ttsda/beets,ttsda/beets,Wen777/beets,asteven/beets,LordSputnik/beets,aspidites/beets,MyTunesFreeMusic/privacy-policy,pdf/beets,Andypsamp/CODjunit,jcoady9/beets,jackwilsdon/beets,jmwatte/beets,swt30/beets,Andypsamp/CODfinalJUNIT,Freso/beets,MyTunesFreeMusic/privacy-policy,swt30/beets,jcoady9/beets,jcoady9/beets,tima/beets,kelvinhammond/beets,mried/beets,Kraymer/beets,mathstuf/beets,Andypsamp/CODfinalJUNIT,xsteadfastx/beets,Kraymer/beets,bj-yinyan/beets,Kraymer/beets,moodboom/beets,lightwang1/beets,lightwang1/beets,Dishwishy/beets,bj-yinyan/beets,multikatt/beets,beetbox/beets,randybias/beets,Dishwishy/beets,swt30/beets,ttsda/beets,krig/beets,drm00/beets,lightwang1/beets,SusannaMaria/beets,pkess/beets,drm00/beets,artemutin/beets,xsteadfastx/beets,kelvinhammond/beets,Freso/beets,mosesfistos1/beetbox,Freso/beets,shamangeorge/beets,moodboom/beets,lengtche/beets,ibmibmibm/beets,mosesfistos1/beetbox,madmouser1/beets,jmwatte/beets,Andypsamp/CODfinalJUNIT,Dishwishy/beets,artemutin/beets,shanemikel/beets,PierreRust/beets,xsteadfastx/beets,ibmibmibm/beets,untitaker/beets,Wen777/beets,randybias/beets,jackwilsdon/beets,Andypsamp/CODjunit,jayme-github/beets,multikatt/beets,diego-plan9/beets,lengtche/beets,arabenjamin/beets,untitaker/beets,jmwatte/beets,lightwang1/beets,ruippeixotog/beets,andremiller/beets,kareemallen/beets,dfc/beets,mosesfistos1/beetbox,sadatay/beets,diego-plan9/beets,MyTunesFreeMusic/privacy-policy,YetAnotherNerd/beets,Wen777/beets,lengtche/beets,gabrielaraujof/beets,dfc/beets,mathstuf/beets,LordSputnik/beets,diego-plan9/beets,ibmibmibm/beets,LordSputnik/beets,pkess/beets,Andypsamp/CODfinalJUNIT,multikatt/beets,jackwilsdon/beets,mried/beets,madmouser1/beets,beetbox/beets,imsparsh/beets,arabenjamin/beets,jayme-github/beets,beetbox/beets,tima/beets,imsparsh/beets