Trackerboy v0.3.0

Added

• Note previews when inputting notes in the pattern editor
• Pattern repeat mode
• Step mode playback
• Input toolbar (set the octave and edit step)
• Instrument toolbar (combobox for the current instrument)
• Song menu, contains actions for adding/removing orders
• Sidebar widget, combines song settings + order editor
• Icon for configuration
• Keybinds for tracker actions (play, stop, etc)
• Add "play and stop" shortcut (pressing enter plays, pressing it again stops)

Changed

• No longer need to have record mode on when deleting, transposing, etc
  (record mode now only applies to setting notes, instruments and effects)
• Arpeggio editor graph is now centered at 0
• Moved stuff from PatternEditor to separate toolbars
• Renamed Delete action in Edit menu to Erase
• View menu is now between Tracker and Window
• Fix "set volume on trigger" checkbox not updating when changing instruments
• Fix pattern previews not showing up on module load
• Fix order move up/down actions not disabling/enabling when user changes patterns
• Setting a note cut does not set the instrument column

Removed

• PatternEditor toolbar (now is part of the main application toolbar)
• Order increment/decrement and set controls