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/database/DB.php b/system/database/DB.php
index 16ca1c8..8efe055 100644
--- a/system/database/DB.php
+++ b/system/database/DB.php
@@ -29,7 +29,7 @@
 	{

 		include(APPPATH.'config/database'.EXT);

 		

-		if ( ! isset($db) OR count($db) == 0)

+		if (! isset($db) OR count($db) == 0)

 		{

 			show_error('No database connection settings were found in the database config file.');

 		}

@@ -39,7 +39,7 @@
 			$active_group = $params;

 		}

 		

-		if ( ! isset($active_group) OR ! isset($db[$active_group]))

+		if (! isset($active_group) OR ! isset($db[$active_group]))

 		{

 			show_error('You have specified an invalid database connection group.');

 		}

@@ -71,7 +71,7 @@
 	}

 	

 	// No DB specified yet?  Beat them senseless...

-	if ( ! isset($params['dbdriver']) OR $params['dbdriver'] == '')

+	if (! isset($params['dbdriver']) OR $params['dbdriver'] == '')

 	{

 		show_error('You have not selected a database type to connect to.');

 	}

@@ -92,14 +92,14 @@
 	{

 		require_once(BASEPATH.'database/DB_active_rec'.EXT);

 		

-		if ( ! class_exists('CI_DB'))

+		if (! class_exists('CI_DB'))

 		{

 			eval('class CI_DB extends CI_DB_active_record { }');

 		}

 	}

 	else

 	{

-		if ( ! class_exists('CI_DB'))

+		if (! class_exists('CI_DB'))

 		{

 			eval('class CI_DB extends CI_DB_driver { }');

 		}