def each_row_streaming(options = {})
      sheet = sheet_for(options.delete(:sheet))
      if block_given?
        sheet.each_row(options) { |row| yield row }
      else
        sheet.to_enum(:each_row, options)
      end
    end
def each_row_streaming(options = {})
      sheet = sheet_for(options.delete(:sheet))
      if block_given?
        sheet.each_row(options) { |row| yield row }
      else
        sheet.to_enum(:each_row, options)
      end
    end
Yield an array of Excelx::Cell
 Takes options for sheet, pad_cells, and max_rows