Sensomusic updates Usine to v5.13 (beta)

Sensomusic has updated Usine to beta version 5.13.

Fixed bugs:

• The MIDI learn on switches doesn't work properly.
• Various Sequencer refresh issues.
• The filter string in the browser can't contain 'space' character.

Improvements:

• New /Crashes folder where are stored last modified patches and log files for an easy recovery after a crash.