Add a way to log every sent mpd command (disabled by default, BuildConfig.DEBUG does not work in libraries)
Add a way to log every sent mpd command (disabled by default, BuildConfig.DEBUG does not work in libraries)

joansmith/dmix,jcnoir/dmix,abarisain/dmix,hurzl/dmix,0359xiaodong/dmix,jcnoir/dmix,hurzl/dmix,0359xiaodong/dmix,joansmith/dmix,abarisain/dmix