replaygain: fix some spacing and error messages
replaygain: fix some spacing and error messages

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