Update version 4.0.15

New functions for the teacher:
– In the note reading module you can now also choose for the ‘grand staff’ (i.e. that the player sees both F and G keys).
– Games can now be labelled with a colour

Improvements app:
•  Rhythm module:
– the note- material is immediately visible
– the app automatically jumps to the next count.
– improved handling of rests
•  Theory: note examples are now automatically adjusted to key and ‘doremi’ setting.