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/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index 364268b..8fc2044 100644
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -155,7 +155,7 @@
 	 */

 	function _set_stmt_id($sql)

 	{

-		if ( ! is_resource($this->stmt_id))

+		if (! is_resource($this->stmt_id))

 		{

 			$this->stmt_id = ociparse($this->conn_id, $this->_prep_query($sql));

 		}

@@ -254,7 +254,7 @@
 	 */

 	function _bind_params($params)

 	{

-		if ( ! is_array($params) OR ! is_resource($this->stmt_id))

+		if (! is_array($params) OR ! is_resource($this->stmt_id))

 		{

 			return;

 		}

@@ -263,7 +263,7 @@
 		{

  			foreach (array('name', 'value', 'type', 'length') as $val)

 			{

-				if ( ! isset($param[$val]))

+				if (! isset($param[$val]))

 				{

 					$param[$val] = '';

 				}

@@ -283,7 +283,7 @@
 	 */	

 	function trans_begin($test_mode = FALSE)

 	{

-		if ( ! $this->trans_enabled)

+		if (! $this->trans_enabled)

 		{

 			return TRUE;

 		}

@@ -313,7 +313,7 @@
 	 */	

 	function trans_commit()

 	{

-		if ( ! $this->trans_enabled)

+		if (! $this->trans_enabled)

 		{

 			return TRUE;

 		}

@@ -339,7 +339,7 @@
 	 */	

 	function trans_rollback()

 	{

-		if ( ! $this->trans_enabled)

+		if (! $this->trans_enabled)

 		{

 			return TRUE;

 		}