def initialize(options = {}, *cfvos)
      @min_length = 10
      @max_length = 90
      @show_value = true
      parse_options options
      initialize_cfvos(cfvos)
      yield self if block_given?
    end
Creates a new data bar conditional formatting object
@param [Hash] options
@option options [Integer] minLength
@option options [Integer] maxLength
@option options [Boolean] showValue
@option options [String] color - the rbg value used to color the bars
@param [Array] cfvos hashes defining the gradient interpolation points for this formatting.