Workaround for weird Gtk+3 redrawing bug on Windows

Change imports in main to relative imports (main needs to be launched as module).

Update changelog

Add EEPROM reset option.

Fix SWV parameters calculation.

Fix DPV parameters

Fix PD mode

Fix port refresh when no DStat connected.

Formatting

Missed function rename.

Fix invalid attribute reference

Fixed bad current conversion.

Make sure DAC units are set on DStat.

Remove redundant variable.

Formatting

Remove relative imports from main.

Formatting

Fixed settings writing.

Added new board definition file

Ignore pycharm files.

Add state reset function on disconnect.

Fix package import bug.