Changed storage of username to object called apikey, which stores both the user-supplied apiUsername as 'devicetype' and the hue-specific username as 'username'. This allows for checks against changes.
Changed storage of username to object called apikey, which stores both the user-supplied apiUsername as 'devicetype' and the hue-specific username as 'username'. This allows for checks against changes.

octoblu/meshblu-hue-button,ra4king/meshblu-hue-button