Early Access 0.3.0

Early Access 0.3.0 is out.

• Added support for sounds added in the Particle Accelerator Update.
• Improved removal of redundant Tempo Actions.
• Made precision of Tempo values customizable.
• Settings can now be edited in the application.
• Added confirmation dialogs for exporting songs and using default sound mappings.
• Added a screen that appears when an error occurs.
• Fixed a mistake in the README.
• Fixed a default tuning mistake (Bleep).
• Added the ability to differentiate between past and future versions.
• 'doVolumeParameters' is disabled by default because it does not work for all MIDI files.