Firmware update v0.8.3

Hello comrades!

New firmware update for the controllers.

v0.8.3 Critical update for new controllers:

- save system updated, added unit tests.

- added clutch shutdown when brake pressed.

- added an option to enable MTPA.

- USB for computers disabled by default, will be removed in the future.

v0.8.4 Hotfix for controllers 6F/12F and old 24F.

To download and install the firmware follow this link