def get_column_width_raw(column_index = 0)
      validate_workbook
      validate_nonnegative(column_index)

      range = cols.locate_range(column_index)
      range && range.width
    end
def get_column_width_raw(column_index = 0)
      validate_workbook
      validate_nonnegative(column_index)

      range = cols.locate_range(column_index)
      range && range.width
    end
Get raw column width value as stored in the file