New option
    follow (false)
            If enabled, always select the currently playing track on track change.
New bind
    bind common f toggle follow
New flag in status bar
    F
fix docs
remove trailing whitespace
Merge pull request #60 from mahkoh/whitespace

remove trailing whitespace
Merge branch 'master' into show-all-tracks
Merge pull request #56 from mahkoh/follow

Follow track on track change.
Merge branch 'master' into show-all-tracks