fix averaging into getVoltages() so it actually works
added low voltage disconnect
added battery float voltage limiter
changed buck hunting to use ADC average adder for more accuracy
added serial print x when buckDirection *= -1 troubleshooting hunting behavior
added amperage and wattage measurements
changed doBuck to hunt wattage, moved lasts to doBuck instead of loop
change buck frequency, fix SOLAR_CUTIN, print F when floating