diff --git a/Classes/PHPExcel/Settings.php b/Classes/PHPExcel/Settings.php
index e6162313..eed460c3 100644
--- a/Classes/PHPExcel/Settings.php
+++ b/Classes/PHPExcel/Settings.php
@@ -21,312 +21,334 @@
  * @category   PHPExcel
  * @package    PHPExcel_Settings
  * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
- * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
  * @version    ##VERSION##, ##DATE##
  */
 
 /** PHPExcel root directory */
 if (!defined('PHPEXCEL_ROOT')) {
-	/**
-	 * @ignore
-	 */
-	define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../');
-	require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
+    /**
+     * @ignore
+     */
+    define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../');
+    require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
 }
 
 
 class PHPExcel_Settings
 {
-	/**	constants */
-	/**	Available Zip library classes */
-	const PCLZIP		= 'PHPExcel_Shared_ZipArchive';
-	const ZIPARCHIVE	= 'ZipArchive';
+    /**    constants */
+    /**    Available Zip library classes */
+    const PCLZIP        = 'PHPExcel_Shared_ZipArchive';
+    const ZIPARCHIVE    = 'ZipArchive';
 
-	/**	Optional Chart Rendering libraries */
-    const CHART_RENDERER_JPGRAPH	= 'jpgraph';
+    /**    Optional Chart Rendering libraries */
+    const CHART_RENDERER_JPGRAPH    = 'jpgraph';
 
-	/**	Optional PDF Rendering libraries */
+    /**    Optional PDF Rendering libraries */
     const PDF_RENDERER_TCPDF		= 'tcPDF';
     const PDF_RENDERER_DOMPDF		= 'DomPDF';
-    const PDF_RENDERER_MPDF			= 'mPDF';
+    const PDF_RENDERER_MPDF 		= 'mPDF';
 
 
-	private static $_chartRenderers = array(
-		self::CHART_RENDERER_JPGRAPH,
-	);
+    private static $_chartRenderers = array(
+        self::CHART_RENDERER_JPGRAPH,
+    );
 
-	private static $_pdfRenderers = array(
-		self::PDF_RENDERER_TCPDF,
-		self::PDF_RENDERER_DOMPDF,
-		self::PDF_RENDERER_MPDF,
-	);
+    private static $_pdfRenderers = array(
+        self::PDF_RENDERER_TCPDF,
+        self::PDF_RENDERER_DOMPDF,
+        self::PDF_RENDERER_MPDF,
+    );
 
 
-	/**
-	 * Name of the class used for Zip file management
-	 *		e.g.
-	 *			ZipArchive
-	 *
-	 * @var string
-	 */
-	private static $_zipClass	= self::ZIPARCHIVE;
+    /**
+     * Name of the class used for Zip file management
+     *	e.g.
+     *		ZipArchive
+     *
+     * @var string
+     */
+    private static $_zipClass    = self::ZIPARCHIVE;
 
 
-	/**
-	 * Name of the external Library used for rendering charts
-	 *		e.g.
-	 *			jpgraph
-	 *
-	 * @var string
-	 */
-	private static $_chartRendererName = NULL;
+    /**
+     * Name of the external Library used for rendering charts
+     *	e.g.
+     *		jpgraph
+     *
+     * @var string
+     */
+    private static $_chartRendererName = NULL;
 
-	/**
-	 * Directory Path to the external Library used for rendering charts
-	 *
-	 * @var string
-	 */
-	private static $_chartRendererPath = NULL;
+    /**
+     * Directory Path to the external Library used for rendering charts
+     *
+     * @var string
+     */
+    private static $_chartRendererPath = NULL;
 
 
-	/**
-	 * Name of the external Library used for rendering PDF files
-	 *		e.g.
-	 *			mPDF
-	 *
-	 * @var string
-	 */
-	private static $_pdfRendererName = NULL;
+    /**
+     * Name of the external Library used for rendering PDF files
+     *	e.g.
+     * 		mPDF
+     *
+     * @var string
+     */
+    private static $_pdfRendererName = NULL;
 
-	/**
-	 * Directory Path to the external Library used for rendering PDF files
-	 *
-	 * @var string
-	 */
-	private static $_pdfRendererPath = NULL;
+    /**
+     * Directory Path to the external Library used for rendering PDF files
+     *
+     * @var string
+     */
+    private static $_pdfRendererPath = NULL;
 
 
-	/**
-	 * Set the Zip handler Class that PHPExcel should use for Zip file management (PCLZip or ZipArchive)
-	 *
-	 * @param	 string	$zipClass			The Zip handler class that PHPExcel should use for Zip file management
-	 *											e.g. PHPExcel_Settings::PCLZip or PHPExcel_Settings::ZipArchive
-	 * @return	 boolean					Success or failure
-	 */
-	public static function setZipClass($zipClass) {
-		if (($zipClass === self::PCLZIP) ||
-			($zipClass === self::ZIPARCHIVE)) {
-			self::$_zipClass = $zipClass;
-			return TRUE;
-		}
-		return FALSE;
-	}	//	function setZipClass()
+    /**
+     * Set the Zip handler Class that PHPExcel should use for Zip file management (PCLZip or ZipArchive)
+     *
+     * @param string $zipClass	The Zip handler class that PHPExcel should use for Zip file management
+     * 	 e.g. PHPExcel_Settings::PCLZip or PHPExcel_Settings::ZipArchive
+     * @return	boolean	Success or failure
+     */
+    public static function setZipClass($zipClass)
+    {
+        if (($zipClass === self::PCLZIP) ||
+            ($zipClass === self::ZIPARCHIVE)) {
+            self::$_zipClass = $zipClass;
+            return TRUE;
+        }
+        return FALSE;
+    } // function setZipClass()
 
 
-	/**
-	 * Return the name of the Zip handler Class that PHPExcel is configured to use (PCLZip or ZipArchive)
-	 *		for Zip file management
-	 *
-	 * @return	 string						Name of the Zip handler Class that PHPExcel is configured to use
-	 *											for Zip file management
-	 *												e.g. PHPExcel_Settings::PCLZip or PHPExcel_Settings::ZipArchive
-	 */
-	public static function getZipClass() {
-		return self::$_zipClass;
-	}	//	function getZipClass()
+    /**
+     * Return the name of the Zip handler Class that PHPExcel is configured to use (PCLZip or ZipArchive)
+     *	or Zip file management
+     *
+     * @return string Name of the Zip handler Class that PHPExcel is configured to use
+     *	for Zip file management
+     *	e.g. PHPExcel_Settings::PCLZip or PHPExcel_Settings::ZipArchive
+     */
+    public static function getZipClass()
+    {
+        return self::$_zipClass;
+    } // function getZipClass()
 
 
-	/**
-	 * Return the name of the method that is currently configured for cell cacheing
-	 *
-	 * @return	string				Name of the cacheing method
-	 */
-	public static function getCacheStorageMethod() {
-		return PHPExcel_CachedObjectStorageFactory::getCacheStorageMethod();
-	}	//	function getCacheStorageMethod()
+    /**
+     * Return the name of the method that is currently configured for cell cacheing
+     *
+     * @return string Name of the cacheing method
+     */
+    public static function getCacheStorageMethod()
+    {
+        return PHPExcel_CachedObjectStorageFactory::getCacheStorageMethod();
+    } // function getCacheStorageMethod()
 
 
-	/**
-	 * Return the name of the class that is currently being used for cell cacheing
-	 *
-	 * @return	string				Name of the class currently being used for cacheing
-	 */
-	public static function getCacheStorageClass() {
-		return PHPExcel_CachedObjectStorageFactory::getCacheStorageClass();
-	}	//	function getCacheStorageClass()
+    /**
+     * Return the name of the class that is currently being used for cell cacheing
+     *
+     * @return string Name of the class currently being used for cacheing
+     */
+    public static function getCacheStorageClass()
+    {
+        return PHPExcel_CachedObjectStorageFactory::getCacheStorageClass();
+    } // function getCacheStorageClass()
 
 
-	/**
-	 * Set the method that should be used for cell cacheing
-	 *
-	 * @param	string	$method		Name of the cacheing method
-	 * @param	array	$arguments	Optional configuration arguments for the cacheing method
-	 * @return	boolean				Success or failure
-	 */
-	public static function setCacheStorageMethod($method = PHPExcel_CachedObjectStorageFactory::cache_in_memory,
-												 $arguments = array()) {
-		return PHPExcel_CachedObjectStorageFactory::initialize($method, $arguments);
-	}	//	function setCacheStorageMethod()
+    /**
+     * Set the method that should be used for cell cacheing
+     *
+     * @param string $method Name of the cacheing method
+     * @param array $arguments Optional configuration arguments for the cacheing method
+     * @return boolean Success or failure
+     */
+    public static function setCacheStorageMethod(
+    	$method = PHPExcel_CachedObjectStorageFactory::cache_in_memory,
+      $arguments = array()
+    )
+    {
+        return PHPExcel_CachedObjectStorageFactory::initialize($method, $arguments);
+    } // function setCacheStorageMethod()
 
 
-	/**
-	 * Set the locale code to use for formula translations and any special formatting
-	 *
-	 * @param	string	$locale		The locale code to use (e.g. "fr" or "pt_br" or "en_uk")
-	 * @return	boolean				Success or failure
-	 */
-	public static function setLocale($locale='en_us') {
-		return PHPExcel_Calculation::getInstance()->setLocale($locale);
-	}	//	function setLocale()
+    /**
+     * Set the locale code to use for formula translations and any special formatting
+     *
+     * @param string $locale The locale code to use (e.g. "fr" or "pt_br" or "en_uk")
+     * @return boolean Success or failure
+     */
+    public static function setLocale($locale='en_us')
+    {
+        return PHPExcel_Calculation::getInstance()->setLocale($locale);
+    } // function setLocale()
 
 
-	/**
-	 * Set details of the external library that PHPExcel should use for rendering charts
-	 *
-	 * @param	 string	$libraryName		Internal reference name of the library
-	 *											e.g. PHPExcel_Settings::CHART_RENDERER_JPGRAPH
-	 * @param	 string	$libraryBaseDir		Directory path to the library's base folder
-	 * @return	 boolean					Success or failure
-	 */
-	public static function setChartRenderer($libraryName, $libraryBaseDir) {
-		if (!self::setChartRendererName($libraryName))
-			return FALSE;
-		return self::setChartRendererPath($libraryBaseDir);
-	}	//	function setChartRenderer()
+    /**
+     * Set details of the external library that PHPExcel should use for rendering charts
+     *
+     * @param string $libraryName	Internal reference name of the library
+     *	e.g. PHPExcel_Settings::CHART_RENDERER_JPGRAPH
+     * @param string $libraryBaseDir Directory path to the library's base folder
+     *
+     * @return	boolean	Success or failure
+     */
+    public static function setChartRenderer($libraryName, $libraryBaseDir)
+    {
+        if (!self::setChartRendererName($libraryName))
+            return FALSE;
+        return self::setChartRendererPath($libraryBaseDir);
+    } // function setChartRenderer()
 
 
-	/**
-	 * Identify to PHPExcel the external library to use for rendering charts
-	 *
-	 * @param	 string	$libraryName		Internal reference name of the library
-	 *											e.g. PHPExcel_Settings::CHART_RENDERER_JPGRAPH
-	 * @return	 boolean					Success or failure
-	 */
-	public static function setChartRendererName($libraryName) {
-		if (!in_array($libraryName,self::$_chartRenderers)) {
-			return FALSE;
-		}
+    /**
+     * Identify to PHPExcel the external library to use for rendering charts
+     *
+     * @param string $libraryName	Internal reference name of the library
+     *	e.g. PHPExcel_Settings::CHART_RENDERER_JPGRAPH
+     *
+     * @return	boolean	Success or failure
+     */
+    public static function setChartRendererName($libraryName)
+    {
+        if (!in_array($libraryName,self::$_chartRenderers)) {
+            return FALSE;
+        }
 
-		self::$_chartRendererName = $libraryName;
+        self::$_chartRendererName = $libraryName;
 
-		return TRUE;
-	}	//	function setChartRendererName()
+        return TRUE;
+    } // function setChartRendererName()
 
 
-	/**
-	 * Tell PHPExcel where to find the external library to use for rendering charts
-	 *
-	 * @param	 string	$libraryBaseDir		Directory path to the library's base folder
-	 * @return	 boolean					Success or failure
-	 */
-	public static function setChartRendererPath($libraryBaseDir) {
-		if ((file_exists($libraryBaseDir) === false) || (is_readable($libraryBaseDir) === false)) {
-			return FALSE;
-		}
-		self::$_chartRendererPath = $libraryBaseDir;
+    /**
+     * Tell PHPExcel where to find the external library to use for rendering charts
+     *
+     * @param string $libraryBaseDir	Directory path to the library's base folder
+     * @return	boolean	Success or failure
+     */
+    public static function setChartRendererPath($libraryBaseDir)
+    {
+        if ((file_exists($libraryBaseDir) === false) || (is_readable($libraryBaseDir) === false)) {
+            return FALSE;
+        }
+        self::$_chartRendererPath = $libraryBaseDir;
 
-		return TRUE;
-	}	//	function setChartRendererPath()
+        return TRUE;
+    } // function setChartRendererPath()
 
 
-	/**
-	 * Return the Chart Rendering Library that PHPExcel is currently configured to use (e.g. jpgraph)
-	 *
-	 * @return	 string|NULL				Internal reference name of the Chart Rendering Library that PHPExcel is
-	 *											currently configured to use
-	 *												e.g. PHPExcel_Settings::CHART_RENDERER_JPGRAPH
-	 */
-	public static function getChartRendererName() {
-		return self::$_chartRendererName;
-	}	//	function getChartRendererName()
+    /**
+     * Return the Chart Rendering Library that PHPExcel is currently configured to use (e.g. jpgraph)
+     *
+     * @return string|NULL Internal reference name of the Chart Rendering Library that PHPExcel is
+     *	currently configured to use
+     *	e.g. PHPExcel_Settings::CHART_RENDERER_JPGRAPH
+     */
+    public static function getChartRendererName()
+    {
+        return self::$_chartRendererName;
+    } // function getChartRendererName()
 
 
-	/**
-	 * Return the directory path to the Chart Rendering Library that PHPExcel is currently configured to use
-	 *
-	 * @return	 string|NULL				Directory Path to the Chart Rendering Library that PHPExcel is
-	 *											currently configured to use
-	 */
-	public static function getChartRendererPath() {
-		return self::$_chartRendererPath;
-	}	//	function getChartRendererPath()
+    /**
+     * Return the directory path to the Chart Rendering Library that PHPExcel is currently configured to use
+     *
+     * @return string|NULL Directory Path to the Chart Rendering Library that PHPExcel is
+     * 	currently configured to use
+     */
+    public static function getChartRendererPath()
+    {
+        return self::$_chartRendererPath;
+    } // function getChartRendererPath()
 
 
-	/**
-	 * Set details of the external library that PHPExcel should use for rendering PDF files
-	 *
-	 * @param	 string	$libraryName		Internal reference name of the library
-	 *											e.g. PHPExcel_Settings::PDF_RENDERER_TCPDF,
-	 *												 PHPExcel_Settings::PDF_RENDERER_DOMPDF
-	 *											  or PHPExcel_Settings::PDF_RENDERER_MPDF
-	 * @param	 string	$libraryBaseDir		Directory path to the library's base folder
-	 * @return	 boolean					Success or failure
-	 */
-	public static function setPdfRenderer($libraryName, $libraryBaseDir) {
-		if (!self::setPdfRendererName($libraryName))
-			return FALSE;
-		return self::setPdfRendererPath($libraryBaseDir);
-	}	//	function setPdfRenderer()
+    /**
+     * Set details of the external library that PHPExcel should use for rendering PDF files
+     *
+     * @param string $libraryName Internal reference name of the library
+     * 	e.g. PHPExcel_Settings::PDF_RENDERER_TCPDF,
+     * 	PHPExcel_Settings::PDF_RENDERER_DOMPDF
+     *  or PHPExcel_Settings::PDF_RENDERER_MPDF
+     * @param string $libraryBaseDir Directory path to the library's base folder
+     *
+     * @return boolean Success or failure
+     */
+    public static function setPdfRenderer($libraryName, $libraryBaseDir)
+    {
+        if (!self::setPdfRendererName($libraryName))
+            return FALSE;
+        return self::setPdfRendererPath($libraryBaseDir);
+    } // function setPdfRenderer()
 
 
-	/**
-	 * Identify to PHPExcel the external library to use for rendering PDF files
-	 *
-	 * @param	 string	$libraryName		Internal reference name of the library
-	 *											e.g. PHPExcel_Settings::PDF_RENDERER_TCPDF,
-	 *												 PHPExcel_Settings::PDF_RENDERER_DOMPDF
-	 *											  or PHPExcel_Settings::PDF_RENDERER_MPDF
-	 * @return	 boolean					Success or failure
-	 */
-	public static function setPdfRendererName($libraryName) {
-		if (!in_array($libraryName,self::$_pdfRenderers)) {
-			return FALSE;
-		}
+    /**
+     * Identify to PHPExcel the external library to use for rendering PDF files
+     *
+     * @param string $libraryName Internal reference name of the library
+     * 	e.g. PHPExcel_Settings::PDF_RENDERER_TCPDF,
+     *	PHPExcel_Settings::PDF_RENDERER_DOMPDF
+     * 	or PHPExcel_Settings::PDF_RENDERER_MPDF
+     *
+     * @return boolean Success or failure
+     */
+    public static function setPdfRendererName($libraryName)
+    {
+        if (!in_array($libraryName,self::$_pdfRenderers)) {
+            return FALSE;
+        }
 
-		self::$_pdfRendererName = $libraryName;
+        self::$_pdfRendererName = $libraryName;
 
-		return TRUE;
-	}	//	function setPdfRendererName()
+        return TRUE;
+    } // function setPdfRendererName()
 
 
-	/**
-	 * Tell PHPExcel where to find the external library to use for rendering PDF files
-	 *
-	 * @param	 string	$libraryBaseDir		Directory path to the library's base folder
-	 * @return	 boolean					Success or failure
-	 */
-	public static function setPdfRendererPath($libraryBaseDir) {
-		if ((file_exists($libraryBaseDir) === false) || (is_readable($libraryBaseDir) === false)) {
-			return FALSE;
-		}
-		self::$_pdfRendererPath = $libraryBaseDir;
+    /**
+     * Tell PHPExcel where to find the external library to use for rendering PDF files
+     *
+     * @param string $libraryBaseDir Directory path to the library's base folder
+     * @return boolean Success or failure
+     */
+    public static function setPdfRendererPath($libraryBaseDir)
+    {
+        if ((file_exists($libraryBaseDir) === false) || (is_readable($libraryBaseDir) === false)) {
+            return FALSE;
+        }
+        self::$_pdfRendererPath = $libraryBaseDir;
 
-		return TRUE;
-	}	//	function setPdfRendererPath()
+        return TRUE;
+    } // function setPdfRendererPath()
 
 
-	/**
-	 * Return the PDF Rendering Library that PHPExcel is currently configured to use (e.g. dompdf)
-	 *
-	 * @return	 string|NULL				Internal reference name of the PDF Rendering Library that PHPExcel is
-	 *											currently configured to use
-	 *												e.g. PHPExcel_Settings::PDF_RENDERER_TCPDF,
-	 *													 PHPExcel_Settings::PDF_RENDERER_DOMPDF
-	 *												  or PHPExcel_Settings::PDF_RENDERER_MPDF
-	 */
-	public static function getPdfRendererName() {
-		return self::$_pdfRendererName;
-	}	//	function getPdfRendererName()
+    /**
+     * Return the PDF Rendering Library that PHPExcel is currently configured to use (e.g. dompdf)
+     *
+     * @return string|NULL Internal reference name of the PDF Rendering Library that PHPExcel is
+     * 	currently configured to use
+     *  e.g. PHPExcel_Settings::PDF_RENDERER_TCPDF,
+     *  PHPExcel_Settings::PDF_RENDERER_DOMPDF
+     *  or PHPExcel_Settings::PDF_RENDERER_MPDF
+     */
+    public static function getPdfRendererName()
+    {
+        return self::$_pdfRendererName;
+    } // function getPdfRendererName()
 
 
-	/**
-	 * Return the directory path to the PDF Rendering Library that PHPExcel is currently configured to use
-	 *
-	 * @return	 string|NULL				Directory Path to the PDF Rendering Library that PHPExcel is
-	 *											currently configured to use
-	 */
-	public static function getPdfRendererPath() {
-		return self::$_pdfRendererPath;
-	}	//	function getPdfRendererPath()
+    /**
+     * Return the directory path to the PDF Rendering Library that PHPExcel is currently configured to use
+     *
+     * @return string|NULL Directory Path to the PDF Rendering Library that PHPExcel is
+     *		currently configured to use
+     */
+    public static function getPdfRendererPath()
+    {
+        return self::$_pdfRendererPath;
+    } // function getPdfRendererPath()
 
 }
\ No newline at end of file