def initialize(options = {})
      @percent = @showValue = true
      @reverse = false
      @iconSet = "3TrafficLights1"
      initialize_value_objects
      parse_options options
      yield self if block_given?
    end
Creates a new icon set object
@option options [String] iconSet
@option options [Boolean] reverse
@option options [Boolean] percent
@option options [Boolean] showValue