minor source formatting
diff --git a/system/libraries/Config.php b/system/libraries/Config.php
index b1a9def..06e1cbe 100644
--- a/system/libraries/Config.php
+++ b/system/libraries/Config.php
@@ -82,10 +82,10 @@
 			if ($fail_gracefully === TRUE)

 			{

 				return FALSE;

-			}		

+			}

 			show_error('Your '.$file.EXT.' file does not appear to contain a valid configuration array.');

 		}

-		

+

 		if ($use_sections === TRUE)

 		{

 			if (isset($this->config[$file]))

@@ -120,16 +120,16 @@
 	 * @param	string	the index name

 	 * @param	bool

 	 * @return	string

-	 */		

+	 */

 	function item($item, $index = '')

-	{			

+	{	

 		if ($index == '')

 		{	

 			if (! isset($this->config[$item]))

 			{

 				return FALSE;

 			}

-		

+

 			$pref = $this->config[$item];

 		}

 		else

@@ -138,12 +138,12 @@
 			{

 				return FALSE;

 			}

-		

+

 			if (! isset($this->config[$index][$item]))

 			{

 				return FALSE;

 			}

-		

+

 			$pref = $this->config[$index][$item];

 		}

 

@@ -162,18 +162,18 @@
 	 * @param	string	the config item name

 	 * @param	bool

 	 * @return	string

-	 */		

+	 */

 	function slash_item($item)

 	{

 		if (! isset($this->config[$item]))

 		{

 			return FALSE;

 		}

-		

+

 		$pref = $this->config[$item];

-		

+

 		if ($pref != '' && substr($pref, -1) != '/')

-		{			

+		{	

 			$pref .= '/';

 		}

 

@@ -188,21 +188,21 @@
 	 * @access	public

 	 * @param	string	the URI string

 	 * @return	string

-	 */		

+	 */

 	function site_url($uri = '')

 	{

 		if (is_array($uri))

 		{

 			$uri = implode('/', $uri);

 		}

-		

+

 		if ($uri == '')

 		{

 			return $this->slash_item('base_url').$this->item('index_page');

 		}

 		else

 		{

-			$suffix = ($this->item('url_suffix') == FALSE) ? '' : $this->item('url_suffix');		

+			$suffix = ($this->item('url_suffix') == FALSE) ? '' : $this->item('url_suffix');

 			return $this->slash_item('base_url').$this->slash_item('index_page').preg_replace("|^/*(.+?)/*$|", "\\1", $uri).$suffix;

 		}

 	}

@@ -214,7 +214,7 @@
 	 *

 	 * @access	public

 	 * @return	string

-	 */		

+	 */

 	function system_url()

 	{

 		$x = explode("/", preg_replace("|/*(.+?)/*$|", "\\1", BASEPATH));

@@ -230,7 +230,7 @@
 	 * @param	string	the config item key

 	 * @param	string	the config item value

 	 * @return	void

-	 */		

+	 */

 	function set_item($item, $value)

 	{

 		$this->config[$item] = $value;