Added get_dir_file_info(), get_file_info(), and get_mime_by_extension() to the File Helper.

Changed ( ! condition) into (! condition) within the code
diff --git a/system/codeigniter/Common.php b/system/codeigniter/Common.php
index 4554a71..05720a4 100644
--- a/system/codeigniter/Common.php
+++ b/system/codeigniter/Common.php
@@ -140,16 +140,16 @@
 {

 	static $main_conf;

 		

-	if ( ! isset($main_conf))

+	if (! isset($main_conf))

 	{

-		if ( ! file_exists(APPPATH.'config/config'.EXT))

+		if (! file_exists(APPPATH.'config/config'.EXT))

 		{

 			exit('The configuration file config'.EXT.' does not exist.');

 		}

 		

 		require(APPPATH.'config/config'.EXT);

 		

-		if ( ! isset($config) OR ! is_array($config))

+		if (! isset($config) OR ! is_array($config))

 		{

 			exit('Your config file does not appear to be formatted correctly.');

 		}

@@ -169,11 +169,11 @@
 {

 	static $config_item = array();

 

-	if ( ! isset($config_item[$item]))

+	if (! isset($config_item[$item]))

 	{

 		$config =& get_config();

 		

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

+		if (! isset($config[$item]))

 		{

 			return FALSE;

 		}

diff --git a/system/codeigniter/Compat.php b/system/codeigniter/Compat.php
index 56ebbf4..8537432 100644
--- a/system/codeigniter/Compat.php
+++ b/system/codeigniter/Compat.php
@@ -36,7 +36,7 @@
  * will generate errors when running under PHP 4

  *

  */

-if ( ! defined('E_STRICT'))

+if (! defined('E_STRICT'))

 {

 	define('E_STRICT', 2048);

 }