Stave'n'Tabs macOS 2.3.1: Stability improvements

What's New in Version 2.3.1:

• MusicXML files support improvements
• GP5 opening fix
• Pitches Panel fix
• Bug fixes

Stave'n'Tabs macOS 2.3: Repeats and voltas

What's New in Version 2.3:

• Repeat signs
• Volta brackets
• GP4 opening fix
• Bug fixes

Stave'n'Tabs 3.4.1: Stability improvements

What's New in Version 3.4.1:

• GP4 opening fix
• Bug fixes