Release Candidate Firmware V1.24 RC12

[SB-SIX]

UPDATE RC10
- changed toggle note value (SHIFT+OK) behaviour. The originial value is now also selecteable with this
- fixed incomplete undo functionality for some positions
- fixed possible problem with changing notes
- added toggle function on table (SHIFT+DELETE). Toggles between -- and **

Files in the first post are updated

Last call before I declare this version as stable!

Awesome, thanks for these!!