# File lib/Borges/Callback/CallbackStore.rb, line 88
  def sort_request(fields)
    sorted = []

    unless fields.nil? then
      fields.each do |k, v|
        unless k.to_i.nil? then
          sorted << [k.to_i, value_for_field(v)]
        end
      end
    end

    sorted.sort_by do |k, v| k end
  end