def create_file_params(ios)
      # multi-doc uploading capabilities, each doc needs to be it's own param
      file_params = {}
      ios.each_with_index do |io,index|
        file_params.merge!("file#{index + 1}" => io)
      end
      file_params
    end
def create_file_params(ios)
      # multi-doc uploading capabilities, each doc needs to be it's own param
      file_params = {}
      ios.each_with_index do |io,index|
        file_params.merge!("file#{index + 1}" => io)
      end
      file_params
    end
Internal: sets up the file_params for inclusion in a multipart post request

 ios - An array of UploadIO formatted file objects

 Returns a hash of files params suitable for inclusion in a multipart
 post request