*0.4.1 ()

    minimum battery voltage set to 6V
    CH3 key set default to OFF

*0.4.0 (18 Jul 2011)

    use steering trim when dual-ESC steering
    added channel_speed for all channels, throttle channel can be applied only
	for forward side
    repaired setting to default values for functions of config-values mapped
	to trims, this should be done only for non-config values (channel,
	mix)

*0.3.2 (27 Jun 2011)

    added option throttle brake cut of to be able to drive forward only
	vehicles (boats)
    added MultiPosition settable to channel

*0.3.1 (26 Jun 2011)

    DIG mix can be set to channel 1 to have dual-ESC steering (boat, tank, ...)

*0.3.0 (24 Jun 2011)

    added globally settable key long-press delay
    when using trims, longer beep at value reset and short pause ignoring keys
    momentary trims/keys now sets value only when state of buttons changed
	(previously it always forced value to reflect button state), so it is
	possible to map momentary and non-momentary keys to the same
	channel/mix value, also value is showed when changed
    added possibility for momentary trims and 2-state keys to return not
	to centre/left, but to previous value which was active before button
	press

*0.2.0 (9 Jun 2011)

    added 4WS mix
    added DIG mix
    added steering speed (Turn, Return)
    added inactivity alarm
    added function C3R for keys to reset channel3 value to centre
    internal changes of trims momentary/opposite_reset

*0.1.0 (2 Jun 2011)

    added special chars "-1" and "10" to be able to display values -199...1099
    both trims-long now only resets, before there was 1 press of first button
    changed EEPROM init to eliminate broken initialization
    in menu: use ENTER to switch items and END/ENTER-long to end of edit of item
    added key mapping to configuration of model and removed coresponding
      global settings (trim_step, autorepeat, ch3_momentary)


*0.0.0 (25 May 2011)

    initial public revision