Added extra tests for PID with cooler and extra test for anti windup
Added extra tests for PID with cooler and extra test for anti windup

BrewPi/firmware,BrewPi/firmware,glibersat/firmware,BrewPi/firmware,BrewPi/firmware,etk29321/firmware,glibersat/firmware,glibersat/firmware,BrewPi/firmware,etk29321/firmware,glibersat/firmware,etk29321/firmware,etk29321/firmware,glibersat/firmware,BrewPi/firmware,glibersat/firmware,BrewPi/firmware,etk29321/firmware,etk29321/firmware,BrewPi/firmware,glibersat/firmware