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/libraries/Config.php b/system/libraries/Config.php
index 9b8b07c..73f1986 100644
--- a/system/libraries/Config.php
+++ b/system/libraries/Config.php
@@ -66,7 +66,7 @@
 			return TRUE;

 		}

 

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

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

 		{

 			if ($fail_gracefully === TRUE)

 			{

@@ -77,7 +77,7 @@
 	

 		include(APPPATH.'config/'.$file.EXT);

 

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

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

 		{

 			if ($fail_gracefully === TRUE)

 			{

@@ -125,7 +125,7 @@
 	{			

 		if ($index == '')

 		{	

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

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

 			{

 				return FALSE;

 			}

@@ -134,12 +134,12 @@
 		}

 		else

 		{

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

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

 			{

 				return FALSE;

 			}

 		

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

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

 			{

 				return FALSE;

 			}

@@ -165,7 +165,7 @@
 	 */		

 	function slash_item($item)

 	{

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

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

 		{

 			return FALSE;

 		}