TODO

- make keybindings !! Help/documentation needed !
- provide a 'lock'-button in the mixer
- document all hooks
- document internals
- honor -geometry
- maybe dump the two mixer scrollbars for a single balance scrollbar ?
- is there a way to set the font of a label with guile-gtk ?
- more error handling
- the pause button should be relabeled to "Resume" if paused.
- file-to-c.scm could strip comments
- i18n ?
- make the gui less ugly
