escape= function(s) {
    return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
  }
Trims leading and trailing whitespace, such as spaces and tabs,
 from String table values. If no column is specified, then the
 values in all columns and rows are trimmed. A specific column
 may be referenced by either its ID or title.

 @method  trim
 @param  {String|Number} column Column ID (number)
                                  or name (string)