don't create copy of class, use pointer when iterating over vector
don't create copy of class, use pointer when iterating over vector

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