Version 2.4.5

[Richard Shann]

I've just pushed version 2.4.5 to the repository - the main feature is
MusicXML support, export/import. The import is now much improved over
the very rough version that was in previous releases.

I would like this to become the new release Version 2.5 so please test!
The new release has

New Features

    MusicXML export
        Supports export of multi-movement scores 

    Support for Musical Sketches
        Cut selection as sketch 

    Support for LilyPond 2.20.0

    Menu Navigation from Keyboard enabled

    Comments in Lyric verses

Bug Fixes

    Various fixes in MusicXML import
    Wrong Keyboard Shortcuts on MacOS



Richard