PHPOffice/PHPExcel — pull request #268 by Gemorroj (2013-11-15 09:29:32+00:00)
Title: When duplicating styles, styles shifted by one column to the right.

PHPExcel_Cell::rangeBoundaries -> PHPExcel_Cell::columnIndexFromString (Column index (base 1 !!!))
PHPExcel_Cell::stringFromColumnIndex Column index (base 0 !!!)