Update library PHPExcel to version 1.7.3

libraries/PHPExcel/PHPExcel/Worksheet/Row.php

@@ -22,31 +22,13 @@
  * @package    PHPExcel_Worksheet
  * @copyright  Copyright (c) 2006 - 2010 PHPExcel (http://www.codeplex.com/PHPExcel)
  * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
- * @version    1.7.2, 2010-01-11
+ * @version    1.7.3, 2010-05-17
  */
 
 
-/** PHPExcel root directory */
-if (!defined('PHPEXCEL_ROOT')) {
-	/**
-	 * @ignore
-	 */
-	define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
-}
-
-/** PHPExcel */
-require_once PHPEXCEL_ROOT . 'PHPExcel.php';
-
-/** PHPExcel_Worksheet */
-require_once PHPEXCEL_ROOT . 'PHPExcel/Worksheet.php';
-
-/** PHPExcel_Worksheet_CellIterator */
-require_once PHPEXCEL_ROOT . 'PHPExcel/Worksheet/CellIterator.php';
-
-
 /**
  * PHPExcel_Worksheet_Row
- * 
+ *
  * Represents a row in PHPExcel_Worksheet, used by PHPExcel_Worksheet_RowIterator
  *
  * @category   PHPExcel
@@ -61,14 +43,14 @@ class PHPExcel_Worksheet_Row
 	 * @var PHPExcel_Worksheet
 	 */
 	private $_parent;
-	
+
 	/**
 	 * Row index
 	 *
 	 * @var int
 	 */
 	private $_rowIndex = 0;
-	
+
 	/**
 	 * Create a new row
 	 *
@@ -80,14 +62,14 @@ class PHPExcel_Worksheet_Row
 		$this->_parent 		= $parent;
 		$this->_rowIndex 	= $rowIndex;
 	}
-	
+
 	/**
 	 * Destructor
 	 */
 	public function __destruct() {
 		unset($this->_parent);
 	}
-	
+
 	/**
 	 * Get row index
 	 *
@@ -96,7 +78,7 @@ class PHPExcel_Worksheet_Row
 	public function getRowIndex() {
 		return $this->_rowIndex;
 	}
-	
+
 	/**
 	 * Get cell iterator
 	 *