openbox/scripts/moc-pipe: Fix commands
openbox/scripts/moc-pipe: Simplify code
openbox/scripts/moc-pipe: Refactor code
openbox/scripts/moc-pipe: Set default tracknumber
openbox/scripts/moc-pipe: Sort functions
openbox/scripts/moc-pipe: Set docstrings
openbox/scripts: License information should be a comment
openbox/lib/obmenu: Add module documentation
openbox/lib/moc: Update module documentation
openbox/scripts: Remove unneeded empty lines
openbox/lib/obmenu: Differentiate between item and item+action elements
openbox/scripts/moc-pipe: Fix function call