Fix #1001: plugin conflict error message printing
Fix #1001: plugin conflict error message printing

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