improvements
- DELAY Analog patch in the library
- Racks can be selected with keyboard arrow keys (left and right)
- Patches can be selected with keyboard arrow keys (up and down)
- Remote active mode "always","if rack is ON","if rack is selected","if patch is ON","if patch is selected"
- Better managment of relatives controls in MIDI learn
fixed bugs
- The step module doesn't reach the last step value
- Data/string-mix-dispatch, doesn't work properly when select=0
- Potential startup crash with invalid DMX devices
