[flxcard] port some master branch changes to 4.2.x: lockbits2string(),...
[flxcard] port some master branch changes to 4.2.x: lockbits2string(), FlxException improvements, flx-info podpowerrx
[flxcard] port some master branch changes to 4.2.x: lockbits2string(), FlxException improvements, flx-info podpowerrx