Change some vars to lets.
Polishing up the code.
Moving some stuff around.
PPDocument is now in Swift.
Additional Swift class functions added.
The instrument view controller has migrated to Swift.
More improvements and fixes.
Still fiddling.
Move PlayerPRO 6's plug-ins to a better place.
Begin working on the more advanced tracker importer.
Move stuff around again:
Moving the plug-in handling code to its own subdirectory.
Restore the PPInstrumentImporter class, as we will be stripping it for parts.
Move classes that will only be used by the PPDocument class, such as plug-in importers, to their own subfolder.
Added a class method to get an octave name from a note value.
More improvements to the complex tracker importer.
Sometimes I wonder if I know what I'm doing…
I missed a file...
Small, tiny fiddlings.
Added MADUserCanceledErr error number.
Remove code that made it possible for the developer to ignore the user cancelled error type.
Add a function called PPErrorIsUserCancelled.
Work on the Tone Generator's images.
Plug in the Sample class's noteFromString and octaveNameFromNote in relevant places.