diff --git a/system/libraries/Benchmark.php b/system/libraries/Benchmark.php
index bca3782..323d966 100644
--- a/system/libraries/Benchmark.php
+++ b/system/libraries/Benchmark.php
@@ -71,12 +71,12 @@
 			return '{elapsed_time}';
 		}
 		
-		if ( ! isset($this->marker[$point1]))
+		if (! isset($this->marker[$point1]))
 		{
 			return '';
 		}
 		
-		if ( ! isset($this->marker[$point2]))
+		if (! isset($this->marker[$point2]))
 		{
 			$this->marker[$point2] = microtime();
 		}
diff --git a/system/libraries/Calendar.php b/system/libraries/Calendar.php
index a85c183..e9621fe 100644
--- a/system/libraries/Calendar.php
+++ b/system/libraries/Calendar.php
@@ -49,7 +49,7 @@
 	{		
 		$this->CI =& get_instance();
 		
-		if ( ! in_array('calendar_lang'.EXT, $this->CI->lang->is_loaded, TRUE))
+		if (! in_array('calendar_lang'.EXT, $this->CI->lang->is_loaded, TRUE))
 		{
 			$this->CI->lang->load('calendar');
 		}
@@ -125,7 +125,7 @@
 						
 		// Set the starting day of the week
 		$start_days	= array('sunday' => 0, 'monday' => 1, 'tuesday' => 2, 'wednesday' => 3, 'thursday' => 4, 'friday' => 5, 'saturday' => 6);
-		$start_day = ( ! isset($start_days[$this->start_day])) ? 0 : $start_days[$this->start_day];
+		$start_day = (! isset($start_days[$this->start_day])) ? 0 : $start_days[$this->start_day];
 		
 		// Set the starting day number
 		$local_date = mktime(12, 0, 0, $month, 1, $year);
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;
 		}
diff --git a/system/libraries/Controller.php b/system/libraries/Controller.php
index ad9c668..4957fc3 100644
--- a/system/libraries/Controller.php
+++ b/system/libraries/Controller.php
@@ -111,7 +111,7 @@
 			show_404('Scaffolding unavailable');
 		}
 		
-		$method = ( ! in_array($this->uri->segment(3), array('add', 'insert', 'edit', 'update', 'view', 'delete', 'do_delete'), TRUE)) ? 'view' : $this->uri->segment(3);
+		$method = (! in_array($this->uri->segment(3), array('add', 'insert', 'edit', 'update', 'view', 'delete', 'do_delete'), TRUE)) ? 'view' : $this->uri->segment(3);
 		
 		require_once(BASEPATH.'scaffolding/Scaffolding'.EXT);
 		$scaff = new Scaffolding($this->_ci_scaff_table);
diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index 19121c5..3b4dddd 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -371,7 +371,7 @@
 	 */	
 	function _str_to_array($email)
 	{
-		if ( ! is_array($email))
+		if (! is_array($email))
 		{
 			if (strpos($email, ',') !== FALSE)
 			{
@@ -439,7 +439,7 @@
 	 */	
 	function set_protocol($protocol = 'mail')
 	{
-		$this->protocol = ( ! in_array($protocol, $this->_protocols, TRUE)) ? 'mail' : strtolower($protocol);
+		$this->protocol = (! in_array($protocol, $this->_protocols, TRUE)) ? 'mail' : strtolower($protocol);
 	}
   	
 	// --------------------------------------------------------------------
@@ -453,7 +453,7 @@
 	 */	
 	function set_priority($n = 3)
 	{
-		if ( ! is_numeric($n))
+		if (! is_numeric($n))
 		{
 			$this->priority = 3;
 			return;
@@ -551,7 +551,7 @@
 	function _get_protocol($return = TRUE)
 	{
 		$this->protocol = strtolower($this->protocol);
-		$this->protocol = ( ! in_array($this->protocol, $this->_protocols, TRUE)) ? 'mail' : $this->protocol;
+		$this->protocol = (! in_array($this->protocol, $this->_protocols, TRUE)) ? 'mail' : $this->protocol;
 		
 		if ($return == TRUE)
 			return $this->protocol;
@@ -568,7 +568,7 @@
 	 */	
 	function _get_encoding($return = TRUE)
 	{		
-		$this->_encoding = ( ! in_array($this->_encoding, $this->_bit_depths)) ? '8bit' : $this->_encoding;
+		$this->_encoding = (! in_array($this->_encoding, $this->_bit_depths)) ? '8bit' : $this->_encoding;
 		
 		foreach ($this->_base_charsets as $charset)
 		{
@@ -648,7 +648,7 @@
 	 */	
 	function validate_email($email)
 	{	
-		if ( ! is_array($email))
+		if (! is_array($email))
 		{
 			$this->_set_error_message('email_must_be_array');		
 			return FALSE;
@@ -656,7 +656,7 @@
 
 		foreach ($email as $val)
 		{
-			if ( ! $this->valid_email($val))
+			if (! $this->valid_email($val))
 			{
 				$this->_set_error_message('email_invalid_address', $val);				
 				return FALSE;
@@ -675,7 +675,7 @@
 	 */	
 	function valid_email($address)
 	{
-		return ( ! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $address)) ? FALSE : TRUE;
+		return (! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $address)) ? FALSE : TRUE;
 	}
   	
 	// --------------------------------------------------------------------
@@ -689,7 +689,7 @@
 	 */	
 	function clean_email($email)
 	{
-		if ( ! is_array($email))
+		if (! is_array($email))
 		{
 			if (preg_match('/\<(.*)\>/', $email, $match))
 		   		return $match['1'];
@@ -1055,7 +1055,7 @@
 			$basename = basename($filename);
 			$ctype = $this->_attach_type[$i];
 						
-			if ( ! file_exists($filename))
+			if (! file_exists($filename))
 			{
 				$this->_set_error_message('email_attachment_missing', $filename);
 				return FALSE;
@@ -1070,7 +1070,7 @@
 			$attachment[$z++] = $h;
 			$file = filesize($filename) +1;
 			
-			if ( ! $fp = fopen($filename, 'r'))
+			if (! $fp = fopen($filename, 'r'))
 			{
 				$this->_set_error_message('email_attachment_unreadable', $filename);
 				return FALSE;
@@ -1194,9 +1194,9 @@
 			$this->reply_to($this->_headers['From']);
 		}
 	
-		if (( ! isset($this->_recipients) AND ! isset($this->_headers['To']))  AND
-			( ! isset($this->_bcc_array) AND ! isset($this->_headers['Bcc'])) AND
-			( ! isset($this->_headers['Cc'])))
+		if ((! isset($this->_recipients) AND ! isset($this->_headers['To']))  AND
+			(! isset($this->_bcc_array) AND ! isset($this->_headers['Bcc'])) AND
+			(! isset($this->_headers['Cc'])))
 		{
 			$this->_set_error_message('email_no_recipients');					
 			return FALSE;
@@ -1212,7 +1212,7 @@
 		
 		$this->_build_message();
 						
-		if ( ! $this->_spool_email())
+		if (! $this->_spool_email())
 			return FALSE;
 		else
 			return TRUE;
@@ -1311,7 +1311,7 @@
 		{
 			case 'mail'	:
 			
-					if ( ! $this->_send_with_mail())
+					if (! $this->_send_with_mail())
 					{
 						$this->_set_error_message('email_send_failure_phpmail');							
 						return FALSE;
@@ -1319,7 +1319,7 @@
 			break;
 			case 'sendmail'	:
 								
-					if ( ! $this->_send_with_sendmail())
+					if (! $this->_send_with_sendmail())
 					{
 						$this->_set_error_message('email_send_failure_sendmail');							
 						return FALSE;
@@ -1327,7 +1327,7 @@
 			break;
 			case 'smtp'	:
 								
-					if ( ! $this->_send_with_smtp())
+					if (! $this->_send_with_smtp())
 					{
 						$this->_set_error_message('email_send_failure_smtp');							
 						return FALSE;
@@ -1352,7 +1352,7 @@
 	{	
 		if ($this->_safe_mode == TRUE)
 		{
-			if ( ! mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str))
+			if (! mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str))
 				return FALSE;
 			else
 				return TRUE;		
@@ -1361,7 +1361,7 @@
 		{
 			// most documentation of sendmail using the "-f" flag lacks a space after it, however
 			// we've encountered servers that seem to require it to be in place.
-			if ( ! mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str, "-f ".$this->clean_email($this->_headers['From'])))
+			if (! mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str, "-f ".$this->clean_email($this->_headers['From'])))
 				return FALSE;
 			else
 				return TRUE;
@@ -1380,7 +1380,7 @@
 	{
 		$fp = @popen($this->mailpath . " -oi -f ".$this->clean_email($this->_headers['From'])." -t", 'w');
 		
-		if ( ! is_resource($fp))
+		if (! is_resource($fp))
 		{								
 			$this->_set_error_message('email_no_socket');				
 			return FALSE;
@@ -1472,7 +1472,7 @@
 										$errstr,
 										$this->smtp_timeout);
 
-		if( ! is_resource($this->_smtp_connect))
+		if(! is_resource($this->_smtp_connect))
 		{								
 			$this->_set_error_message('email_smtp_error', $errno." ".$errstr);				
 			return FALSE;
@@ -1557,7 +1557,7 @@
 	 */	
 	function _smtp_authenticate()
 	{	
-		if ( ! $this->_smtp_auth)
+		if (! $this->_smtp_auth)
 			return TRUE;
 			
 		if ($this->smtp_user == ""  AND  $this->smtp_pass == "")
@@ -1609,7 +1609,7 @@
 	 */	
 	function _send_data($data)
 	{
-		if ( ! fwrite($this->_smtp_connect, $data . $this->newline))
+		if (! fwrite($this->_smtp_connect, $data . $this->newline))
 		{
 			$this->_set_error_message('email_smtp_data_failure', $data);			
 			return FALSE;
@@ -1684,7 +1684,7 @@
 			$this->_IP = end($x);
 		}
 		
-		if ( ! preg_match( "/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/", $this->_IP))
+		if (! preg_match( "/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/", $this->_IP))
 			$this->_IP = '0.0.0.0';
 		
 		unset($cip);
@@ -1842,7 +1842,7 @@
 						'eml'	=>	'message/rfc822'
 					);
 
-		return ( ! isset($mimes[strtolower($ext)])) ? "application/x-unknown-content-type" : $mimes[strtolower($ext)];
+		return (! isset($mimes[strtolower($ext)])) ? "application/x-unknown-content-type" : $mimes[strtolower($ext)];
 	}
 
 }
diff --git a/system/libraries/Encrypt.php b/system/libraries/Encrypt.php
index 48f9d3e..9a784d2 100644
--- a/system/libraries/Encrypt.php
+++ b/system/libraries/Encrypt.php
@@ -44,7 +44,7 @@
 	function CI_Encrypt()
 	{
 		$this->CI =& get_instance();
-		$this->_mcrypt_exists = ( ! function_exists('mcrypt_encrypt')) ? FALSE : TRUE;
+		$this->_mcrypt_exists = (! function_exists('mcrypt_encrypt')) ? FALSE : TRUE;
 		log_message('debug', "Encrypt Class Initialized");
 	}
   	
@@ -459,9 +459,9 @@
 	 */	
 	function sha1($str)
 	{
-		if ( ! function_exists('sha1'))
+		if (! function_exists('sha1'))
 		{
-			if ( ! function_exists('mhash'))
+			if (! function_exists('mhash'))
 			{	
 				require_once(BASEPATH.'libraries/Sha1'.EXT);
 				$SH = new CI_SHA;
diff --git a/system/libraries/Exceptions.php b/system/libraries/Exceptions.php
index b22ef9f..7c96405 100644
--- a/system/libraries/Exceptions.php
+++ b/system/libraries/Exceptions.php
@@ -74,7 +74,7 @@
 	 */
 	function log_exception($severity, $message, $filepath, $line)
 	{	
-		$severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity];
+		$severity = (! isset($this->levels[$severity])) ? $severity : $this->levels[$severity];
 		
 		log_message('error', 'Severity: '.$severity.'  --> '.$message. ' '.$filepath.' '.$line, TRUE);
 	}
@@ -115,7 +115,7 @@
 	 */
 	function show_error($heading, $message, $template = 'error_general')
 	{
-		$message = '<p>'.implode('</p><p>', ( ! is_array($message)) ? array($message) : $message).'</p>';
+		$message = '<p>'.implode('</p><p>', (! is_array($message)) ? array($message) : $message).'</p>';
 
 		if (ob_get_level() > $this->ob_level + 1)
 		{
@@ -142,7 +142,7 @@
 	 */
 	function show_php_error($severity, $message, $filepath, $line)
 	{	
-		$severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity];
+		$severity = (! isset($this->levels[$severity])) ? $severity : $this->levels[$severity];
 	
 		$filepath = str_replace("\\", "/", $filepath);
 		
diff --git a/system/libraries/Ftp.php b/system/libraries/Ftp.php
index ed934b5..1b5ec2f 100644
--- a/system/libraries/Ftp.php
+++ b/system/libraries/Ftp.php
@@ -98,7 +98,7 @@
 			return FALSE;
 		}
 		
-		if ( ! $this->_login())
+		if (! $this->_login())
 		{
 			if ($this->debug == TRUE)
 			{
@@ -139,7 +139,7 @@
 	 */	
 	function _is_conn()
 	{
-		if ( ! is_resource($this->conn_id))
+		if (! is_resource($this->conn_id))
 		{
 			if ($this->debug == TRUE)
 			{
@@ -216,7 +216,7 @@
 		}
 
 		// Set file permissions if needed
-		if ( ! is_null($permissions))
+		if (! is_null($permissions))
 		{
 			$this->chmod($path, (int)$permissions);
 		}
@@ -237,12 +237,12 @@
 	 */	
 	function upload($locpath, $rempath, $mode = 'auto', $permissions = NULL)
 	{
-		if ( ! $this->_is_conn())
+		if (! $this->_is_conn())
 		{
 			return FALSE;
 		}
 
-		if ( ! file_exists($locpath))
+		if (! file_exists($locpath))
 		{
 			$this->_error('ftp_no_source_file');
 			return FALSE;
@@ -270,7 +270,7 @@
 		}
 		
 		// Set file permissions if needed
-		if ( ! is_null($permissions))
+		if (! is_null($permissions))
 		{
 			$this->chmod($rempath, (int)$permissions);
 		}
@@ -291,7 +291,7 @@
 	 */	
 	function rename($old_file, $new_file, $move = FALSE)
 	{
-		if ( ! $this->_is_conn())
+		if (! $this->_is_conn())
 		{
 			return FALSE;
 		}
@@ -338,7 +338,7 @@
 	 */	
 	function delete_file($filepath)
 	{
-		if ( ! $this->_is_conn())
+		if (! $this->_is_conn())
 		{
 			return FALSE;
 		}
@@ -369,7 +369,7 @@
 	 */	
 	function delete_dir($filepath)
 	{
-		if ( ! $this->_is_conn())
+		if (! $this->_is_conn())
 		{
 			return FALSE;
 		}
@@ -385,7 +385,7 @@
 			{			
 				// If we can't delete the item it's probaly a folder so
 				// we'll recursively call delete_dir()
-				if ( ! @ftp_delete($this->conn_id, $filepath.$item))
+				if (! @ftp_delete($this->conn_id, $filepath.$item))
 				{
 					$this->delete_dir($filepath.$item);
 				}
@@ -418,13 +418,13 @@
 	 */		
 	function chmod($path, $perm)
 	{
-		if ( ! $this->_is_conn())
+		if (! $this->_is_conn())
 		{
 			return FALSE;
 		}
 
 		// Permissions can only be set when running PHP 5
-		if ( ! function_exists('ftp_chmod'))
+		if (! function_exists('ftp_chmod'))
 		{
 			if ($this->debug == TRUE)
 			{
@@ -457,7 +457,7 @@
 	 */	
 	function list_files($path = '.')
 	{
-		if ( ! $this->_is_conn())
+		if (! $this->_is_conn())
 		{
 			return FALSE;
 		}
@@ -481,7 +481,7 @@
 	 */	
 	function mirror($locpath, $rempath)
 	{
-		if ( ! $this->_is_conn())
+		if (! $this->_is_conn())
 		{
 			return FALSE;
 		}
@@ -490,10 +490,10 @@
 		if ($fp = @opendir($locpath))
 		{
 			// Attempt to open the remote file path.
-			if ( ! $this->changedir($rempath, TRUE))
+			if (! $this->changedir($rempath, TRUE))
 			{
 				// If it doesn't exist we'll attempt to create the direcotory
-				if ( ! $this->mkdir($rempath) OR ! $this->changedir($rempath))
+				if (! $this->mkdir($rempath) OR ! $this->changedir($rempath))
 				{
 					return FALSE;
 				}
@@ -586,7 +586,7 @@
 	 */	
 	function close()
 	{
-		if ( ! $this->_is_conn())
+		if (! $this->_is_conn())
 		{
 			return FALSE;
 		}
diff --git a/system/libraries/Hooks.php b/system/libraries/Hooks.php
index 49cb230..a41320c 100644
--- a/system/libraries/Hooks.php
+++ b/system/libraries/Hooks.php
@@ -68,7 +68,7 @@
 		
 		@include(APPPATH.'config/hooks'.EXT);
 		
-		if ( ! isset($hook) OR ! is_array($hook))
+		if (! isset($hook) OR ! is_array($hook))
 		{
 			return;
 		}
@@ -90,7 +90,7 @@
 	 */
 	function _call_hook($which = '')
 	{
-		if ( ! $this->enabled OR ! isset($this->hooks[$which]))
+		if (! $this->enabled OR ! isset($this->hooks[$which]))
 		{
 			return FALSE;
 		}
@@ -123,7 +123,7 @@
 	 */
 	function _run_hook($data)
 	{
-		if ( ! is_array($data))
+		if (! is_array($data))
 		{
 			return FALSE;
 		}
@@ -144,14 +144,14 @@
 		// Set file path
 		// -----------------------------------
 		
-		if ( ! isset($data['filepath']) OR ! isset($data['filename']))
+		if (! isset($data['filepath']) OR ! isset($data['filename']))
 		{
 			return FALSE;
 		}
 		
 		$filepath = APPPATH.$data['filepath'].'/'.$data['filename'];
 	
-		if ( ! file_exists($filepath))
+		if (! file_exists($filepath))
 		{
 			return FALSE;
 		}
@@ -196,7 +196,7 @@
 		
 		if ($class !== FALSE)
 		{
-			if ( ! class_exists($class))
+			if (! class_exists($class))
 			{
 				require($filepath);
 			}
@@ -206,7 +206,7 @@
 		}
 		else
 		{
-			if ( ! function_exists($function))
+			if (! function_exists($function))
 			{
 				require($filepath);
 			}
diff --git a/system/libraries/Image_lib.php b/system/libraries/Image_lib.php
index 85435f6..c236e39 100644
--- a/system/libraries/Image_lib.php
+++ b/system/libraries/Image_lib.php
@@ -158,7 +158,7 @@
 		 * properties using ImageMagick and NetPBM
 		 *
 		 */		
-		if ( ! function_exists('getimagesize'))
+		if (! function_exists('getimagesize'))
 		{
 			$this->set_error('imglib_gd_required_for_props');
 			return FALSE;		
@@ -188,7 +188,7 @@
 		$this->source_folder = str_replace($this->source_image, '', $full_source_path);
 								
 		// Set the Image Properties
-		if ( ! $this->get_image_properties($this->source_folder.$this->source_image))
+		if (! $this->get_image_properties($this->source_folder.$this->source_image))
 		{
 			return FALSE;	   	
 		}				
@@ -226,7 +226,7 @@
 				}
 				
 				// Is there a file name?
-				if ( ! preg_match("#[\.jpg|\.jpeg|\.gif|\.png]$#i", $full_dest_path))
+				if (! preg_match("#[\.jpg|\.jpeg|\.gif|\.png]$#i", $full_dest_path))
 				{
 					$this->dest_folder = $full_dest_path.'/';
 					$this->dest_image = $this->source_image;
@@ -478,7 +478,7 @@
 			// we'll simply make a copy of the original with the new name		
 			if (($this->orig_width == $this->width AND $this->orig_height == $this->height) AND ($this->source_image != $this->new_image))			
 			{
-				if ( ! @copy($this->full_src_path, $this->full_dst_path))
+				if (! @copy($this->full_src_path, $this->full_dst_path))
 				{
 					$this->set_error('imglib_copy_failed');
 					return FALSE;
@@ -494,7 +494,7 @@
 		}
 		
 		//  Create the image handle
-		if ( ! ($src_img = $this->image_create_gd()))
+		if (! ($src_img = $this->image_create_gd()))
 		{		
 			return FALSE;
 		}
@@ -528,7 +528,7 @@
 		else
 		{
 			// Or save it
-			if ( ! $this->image_save_gd($dst_img))
+			if (! $this->image_save_gd($dst_img))
 			{
 				return FALSE;
 			}
@@ -564,9 +564,9 @@
 			return FALSE;
 		}
 				
-		if ( ! eregi("convert$", $this->library_path))
+		if (! eregi("convert$", $this->library_path))
 		{
-			if ( ! eregi("/$", $this->library_path)) $this->library_path .= "/";
+			if (! eregi("/$", $this->library_path)) $this->library_path .= "/";
 		
 			$this->library_path .= 'convert';
 		}
@@ -712,14 +712,14 @@
 	{	
 		// Is Image Rotation Supported?
 		// this function is only supported as of PHP 4.3
-		if ( ! function_exists('imagerotate'))
+		if (! function_exists('imagerotate'))
 		{
 			$this->set_error('imglib_rotate_unsupported');
 			return FALSE;
 		}
 		
 		//  Create the image handle
-		if ( ! ($src_img = $this->image_create_gd()))
+		if (! ($src_img = $this->image_create_gd()))
 		{		
 			return FALSE;
 		}
@@ -742,7 +742,7 @@
 		else
 		{
 			// Or save it
-			if ( ! $this->image_save_gd($dst_img))
+			if (! $this->image_save_gd($dst_img))
 			{
 				return FALSE;
 			}
@@ -771,7 +771,7 @@
 	 */			
 	function image_mirror_gd()
 	{		
-		if ( ! $src_img = $this->image_create_gd())
+		if (! $src_img = $this->image_create_gd())
 		{
 			return FALSE;
 		}
@@ -828,7 +828,7 @@
 		else
 		{
 			// Or save it
-			if ( ! $this->image_save_gd($src_img))
+			if (! $this->image_save_gd($src_img))
 			{
 				return FALSE;
 			}
@@ -877,7 +877,7 @@
 	 */			
 	function overlay_watermark()
 	{
-		if ( ! function_exists('imagecolortransparent'))
+		if (! function_exists('imagecolortransparent'))
 		{
 			$this->set_error('imglib_gd_required');
 			return FALSE;		
@@ -955,7 +955,7 @@
 		}
 		else
 		{
-			if ( ! $this->image_save_gd($src_img))
+			if (! $this->image_save_gd($src_img))
 			{
 				return FALSE;
 			}
@@ -977,7 +977,7 @@
 	 */			
 	function text_watermark()
 	{
-		if ( ! ($src_img = $this->image_create_gd()))
+		if (! ($src_img = $this->image_create_gd()))
 		{		
 			return FALSE;
 		}
@@ -1131,7 +1131,7 @@
 		switch ($image_type)
 		{
 			case	 1 :
-						if ( ! function_exists('imagecreatefromgif'))
+						if (! function_exists('imagecreatefromgif'))
 						{
 							$this->set_error(array('imglib_unsupported_imagecreate', 'imglib_gif_not_supported'));
 							return FALSE;
@@ -1140,7 +1140,7 @@
 						return imagecreatefromgif($path);
 				break;
 			case 2 :
-						if ( ! function_exists('imagecreatefromjpeg'))
+						if (! function_exists('imagecreatefromjpeg'))
 						{
 							$this->set_error(array('imglib_unsupported_imagecreate', 'imglib_jpg_not_supported'));
 							return FALSE;
@@ -1149,7 +1149,7 @@
 						return imagecreatefromjpeg($path);
 				break;
 			case 3 :
-						if ( ! function_exists('imagecreatefrompng'))
+						if (! function_exists('imagecreatefrompng'))
 						{
 							$this->set_error(array('imglib_unsupported_imagecreate', 'imglib_png_not_supported'));				
 							return FALSE;
@@ -1181,7 +1181,7 @@
 		switch ($this->image_type)
 		{
 			case 1 :
-						if ( ! function_exists('imagegif'))
+						if (! function_exists('imagegif'))
 						{
 							$this->set_error(array('imglib_unsupported_imagecreate', 'imglib_gif_not_supported'));
 							return FALSE;		
@@ -1190,7 +1190,7 @@
 						@imagegif($resource, $this->full_dst_path);
 				break;
 			case 2	:
-						if ( ! function_exists('imagejpeg'))
+						if (! function_exists('imagejpeg'))
 						{
 							$this->set_error(array('imglib_unsupported_imagecreate', 'imglib_jpg_not_supported'));
 							return FALSE;		
@@ -1204,7 +1204,7 @@
 						@imagejpeg($resource, $this->full_dst_path, $this->quality);
 				break;
 			case 3	:
-						if ( ! function_exists('imagepng'))
+						if (! function_exists('imagepng'))
 						{
 							$this->set_error(array('imglib_unsupported_imagecreate', 'imglib_png_not_supported'));
 							return FALSE;		
@@ -1267,10 +1267,10 @@
 	 */			
 	function image_reproportion()
 	{
-		if ( ! is_numeric($this->width) OR ! is_numeric($this->height) OR $this->width == 0 OR $this->height == 0)
+		if (! is_numeric($this->width) OR ! is_numeric($this->height) OR $this->width == 0 OR $this->height == 0)
 			return;
 		
-		if ( ! is_numeric($this->orig_width) OR ! is_numeric($this->orig_height) OR $this->orig_width == 0 OR $this->orig_height == 0)
+		if (! is_numeric($this->orig_width) OR ! is_numeric($this->orig_height) OR $this->orig_width == 0 OR $this->orig_height == 0)
 			return;
 		
 		$new_width	= ceil($this->orig_width*$this->height/$this->orig_height);		
@@ -1315,7 +1315,7 @@
 		if ($path == '')
 			$path = $this->full_src_path;
 				
-		if ( ! file_exists($path))
+		if (! file_exists($path))
 		{
 			$this->set_error('imglib_invalid_path');		
 			return FALSE;				
@@ -1369,14 +1369,14 @@
 	 */			
 	function size_calculator($vals)
 	{
-		if ( ! is_array($vals))
+		if (! is_array($vals))
 			return;
 			
 		$allowed = array('new_width', 'new_height', 'width', 'height');
 	
 		foreach ($allowed as $item)
 		{
-			if ( ! isset($vals[$item]) OR $vals[$item] == '')
+			if (! isset($vals[$item]) OR $vals[$item] == '')
 				$vals[$item] = 0;
 		}
 		
@@ -1447,9 +1447,9 @@
 	 */	
 	function gd_loaded()
 	{
-		if ( ! extension_loaded('gd'))
+		if (! extension_loaded('gd'))
 		{
-			if ( ! dl('gd.so'))
+			if (! dl('gd.so'))
 			{
 				return FALSE;
 			}
diff --git a/system/libraries/Input.php b/system/libraries/Input.php
index 1c5682e..8a0478b 100644
--- a/system/libraries/Input.php
+++ b/system/libraries/Input.php
@@ -76,9 +76,9 @@
 		// This is effectively the same as register_globals = off
 		foreach (array($_GET, $_POST, $_COOKIE, $_SERVER, $_FILES, $_ENV, (isset($_SESSION) && is_array($_SESSION)) ? $_SESSION : array()) as $global)
 		{
-			if ( ! is_array($global))
+			if (! is_array($global))
 			{
-				if ( ! in_array($global, $protected))
+				if (! in_array($global, $protected))
 				{
 					unset($GLOBALS[$global]);
 				}
@@ -87,7 +87,7 @@
 			{
 				foreach ($global as $key => $val)
 				{
-					if ( ! in_array($key, $protected))
+					if (! in_array($key, $protected))
 					{
 						unset($GLOBALS[$key]);
 					}
@@ -96,7 +96,7 @@
 					{
 						foreach($val as $k => $v)
 						{
-							if ( ! in_array($k, $protected))
+							if (! in_array($k, $protected))
 							{
 								unset($GLOBALS[$k]);
 							}
@@ -198,7 +198,7 @@
 	 */
 	function _clean_input_keys($str)
 	{	
-		 if ( ! preg_match("/^[a-z0-9:_\/-]+$/i", $str))
+		 if (! preg_match("/^[a-z0-9:_\/-]+$/i", $str))
 		 {
 			exit('Disallowed Key Characters.');
 		 }
@@ -218,7 +218,7 @@
 	 */
 	function get($index = '', $xss_clean = FALSE)
 	{		
-		if ( ! isset($_GET[$index]))
+		if (! isset($_GET[$index]))
 		{
 			return FALSE;
 		}
@@ -253,7 +253,7 @@
 	 */
 	function post($index = '', $xss_clean = FALSE)
 	{		
-		if ( ! isset($_POST[$index]))
+		if (! isset($_POST[$index]))
 		{
 			return FALSE;
 		}
@@ -288,7 +288,7 @@
 	 */
 	function cookie($index = '', $xss_clean = FALSE)
 	{
-		if ( ! isset($_COOKIE[$index]))
+		if (! isset($_COOKIE[$index]))
 		{
 			return FALSE;
 		}
@@ -328,7 +328,7 @@
 	 */
 	function server($index = '', $xss_clean = FALSE)
 	{		
-		if ( ! isset($_SERVER[$index]))
+		if (! isset($_SERVER[$index]))
 		{
 			return FALSE;
 		}
@@ -385,7 +385,7 @@
 			$this->ip_address = end($x);
 		}
 		
-		if ( ! $this->valid_ip($this->ip_address))
+		if (! $this->valid_ip($this->ip_address))
 		{
 			$this->ip_address = '0.0.0.0';
 		}
@@ -447,7 +447,7 @@
 			return $this->user_agent;
 		}
 	
-		$this->user_agent = ( ! isset($_SERVER['HTTP_USER_AGENT'])) ? FALSE : $_SERVER['HTTP_USER_AGENT'];
+		$this->user_agent = (! isset($_SERVER['HTTP_USER_AGENT'])) ? FALSE : $_SERVER['HTTP_USER_AGENT'];
 		
 		return $this->user_agent;
 	}
diff --git a/system/libraries/Language.php b/system/libraries/Language.php
index 3dac1a6..a8e6366 100644
--- a/system/libraries/Language.php
+++ b/system/libraries/Language.php
@@ -83,7 +83,7 @@
 		}
 
 		
-		if ( ! isset($lang))
+		if (! isset($lang))
 		{
 			log_message('error', 'Language file contains no data: language/'.$idiom.'/'.$langfile);
 			return;
diff --git a/system/libraries/Loader.php b/system/libraries/Loader.php
index 31e7d66..5cf1f2a 100644
--- a/system/libraries/Loader.php
+++ b/system/libraries/Loader.php
@@ -152,7 +152,7 @@
 	
 		$model = strtolower($model);
 		
-		if ( ! file_exists(APPPATH.'models/'.$path.$model.EXT))
+		if (! file_exists(APPPATH.'models/'.$path.$model.EXT))
 		{
 			show_error('Unable to locate the model you have specified: '.$model);
 		}
@@ -165,7 +165,7 @@
 			$CI->load->database($db_conn, FALSE, TRUE);
 		}
 	
-		if ( ! class_exists('Model'))
+		if (! class_exists('Model'))
 		{
 			load_class('Model', FALSE);
 		}
@@ -230,7 +230,7 @@
 	 */		
 	function dbutil()
 	{
-		if ( ! class_exists('CI_DB'))
+		if (! class_exists('CI_DB'))
 		{
 			$this->database();
 		}
@@ -260,7 +260,7 @@
 	 */		
 	function dbforge()
 	{
-		if ( ! class_exists('CI_DB'))
+		if (! class_exists('CI_DB'))
 		{
 			$this->database();
 		}
@@ -353,7 +353,7 @@
 	 */
 	function helper($helpers = array())
 	{
-		if ( ! is_array($helpers))
+		if (! is_array($helpers))
 		{
 			$helpers = array($helpers);
 		}
@@ -374,7 +374,7 @@
 			{
 				$base_helper = BASEPATH.'helpers/'.$helper.EXT;
 				
-				if ( ! file_exists($base_helper))
+				if (! file_exists($base_helper))
 				{
 					show_error('Unable to load the requested file: helpers/'.$helper.EXT);
 				}
@@ -435,7 +435,7 @@
 	 */
 	function plugin($plugins = array())
 	{
-		if ( ! is_array($plugins))
+		if (! is_array($plugins))
 		{
 			$plugins = array($plugins);
 		}
@@ -505,7 +505,7 @@
 	 */
 	function script($scripts = array())
 	{
-		if ( ! is_array($scripts))
+		if (! is_array($scripts))
 		{
 			$scripts = array($scripts);
 		}
@@ -519,7 +519,7 @@
 				continue;
 			}
 		
-			if ( ! file_exists(APPPATH.'scripts/'.$script.EXT))
+			if (! file_exists(APPPATH.'scripts/'.$script.EXT))
 			{
 				show_error('Unable to load the requested script: scripts/'.$script.EXT);
 			}
@@ -544,7 +544,7 @@
 	{
 		$CI =& get_instance();
 
-		if ( ! is_array($file))
+		if (! is_array($file))
 		{
 			$file = array($file);
 		}
@@ -630,7 +630,7 @@
 		// Set the default data variables
 		foreach (array('_ci_view', '_ci_vars', '_ci_path', '_ci_return') as $_ci_val)
 		{
-			$$_ci_val = ( ! isset($_ci_data[$_ci_val])) ? FALSE : $_ci_data[$_ci_val];
+			$$_ci_val = (! isset($_ci_data[$_ci_val])) ? FALSE : $_ci_data[$_ci_val];
 		}
 
 		// Set the path to the requested file
@@ -646,7 +646,7 @@
 			$_ci_file = end($_ci_x);
 		}
 		
-		if ( ! file_exists($_ci_path))
+		if (! file_exists($_ci_path))
 		{
 			show_error('Unable to load the requested file: '.$_ci_file);
 		}
@@ -660,7 +660,7 @@
 			$_ci_CI =& get_instance();
 			foreach (get_object_vars($_ci_CI) as $_ci_key => $_ci_var)
 			{
-				if ( ! isset($this->$_ci_key))
+				if (! isset($this->$_ci_key))
 				{
 					$this->$_ci_key =& $_ci_CI->$_ci_key;
 				}
@@ -768,7 +768,7 @@
 			{
 				$baseclass = BASEPATH.'libraries/'.ucfirst($class).EXT;
 				
-				if ( ! file_exists($baseclass))
+				if (! file_exists($baseclass))
 				{
 					log_message('error', "Unable to load the requested class: ".$class);
 					show_error("Unable to load the requested class: ".$class);
@@ -797,7 +797,7 @@
 				$filepath = $path.'libraries/'.$class.EXT;
 				
 				// Does the file exist?  No?  Bummer...
-				if ( ! file_exists($filepath))
+				if (! file_exists($filepath))
 				{
 					continue;
 				}
@@ -858,7 +858,7 @@
 		}
 		
 		// Set the variable name we will assign the class to	
-		$classvar = ( ! isset($this->_ci_varmap[$class])) ? $class : $this->_ci_varmap[$class];
+		$classvar = (! isset($this->_ci_varmap[$class])) ? $class : $this->_ci_varmap[$class];
 				
 		// Instantiate the class		
 		$CI =& get_instance();
@@ -888,7 +888,7 @@
 	{	
 		include_once(APPPATH.'config/autoload'.EXT);
 		
-		if ( ! isset($autoload))
+		if (! isset($autoload))
 		{
 			return FALSE;
 		}
@@ -916,7 +916,7 @@
 
 		// A little tweak to remain backward compatible
 		// The $autoload['core'] item was deprecated
-		if ( ! isset($autoload['libraries']))
+		if (! isset($autoload['libraries']))
 		{
 			$autoload['libraries'] = $autoload['core'];
 		}
diff --git a/system/libraries/Log.php b/system/libraries/Log.php
index 1aa8bd0..247aee1 100644
--- a/system/libraries/Log.php
+++ b/system/libraries/Log.php
@@ -46,7 +46,7 @@
 		
 		$this->log_path = ($config['log_path'] != '') ? $config['log_path'] : BASEPATH.'logs/';
 		
-		if ( ! is_dir($this->log_path) OR ! is_really_writable($this->log_path))
+		if (! is_dir($this->log_path) OR ! is_really_writable($this->log_path))
 		{
 			$this->_enabled = FALSE;
 		}
@@ -84,7 +84,7 @@
 	
 		$level = strtoupper($level);
 		
-		if ( ! isset($this->_levels[$level]) OR ($this->_levels[$level] > $this->_threshold))
+		if (! isset($this->_levels[$level]) OR ($this->_levels[$level] > $this->_threshold))
 		{
 			return FALSE;
 		}
@@ -92,12 +92,12 @@
 		$filepath = $this->log_path.'log-'.date('Y-m-d').EXT;
 		$message  = '';
 		
-		if ( ! file_exists($filepath))
+		if (! file_exists($filepath))
 		{
 			$message .= "<"."?php  if (!defined('BASEPATH')) exit('No direct script access allowed'); ?".">\n\n";
 		}
 			
-		if ( ! $fp = @fopen($filepath, "a"))
+		if (! $fp = @fopen($filepath, "a"))
 		{
 			return FALSE;
 		}
diff --git a/system/libraries/Model.php b/system/libraries/Model.php
index 8181ead..e87d604 100644
--- a/system/libraries/Model.php
+++ b/system/libraries/Model.php
@@ -59,7 +59,7 @@
 		$CI =& get_instance();				
 		foreach (array_keys(get_object_vars($CI)) as $key)
 		{
-			if ( ! isset($this->$key) AND $key != $this->_parent_name)
+			if (! isset($this->$key) AND $key != $this->_parent_name)
 			{			
 				// In some cases using references can cause
 				// problems so we'll conditionally use them
diff --git a/system/libraries/Output.php b/system/libraries/Output.php
index 07990eb..d513a12 100644
--- a/system/libraries/Output.php
+++ b/system/libraries/Output.php
@@ -137,7 +137,7 @@
 	 */	
 	function cache($time)
 	{
-		$this->cache_expiration = ( ! is_numeric($time)) ? 0 : $time;
+		$this->cache_expiration = (! is_numeric($time)) ? 0 : $time;
 	}
 	
 	// --------------------------------------------------------------------
@@ -187,7 +187,7 @@
 		$elapsed = $BM->elapsed_time('total_execution_time_start', 'total_execution_time_end');		
 		$output = str_replace('{elapsed_time}', $elapsed, $output);
 		
-		$memory	 = ( ! function_exists('memory_get_usage')) ? '0' : round(memory_get_usage()/1024/1024, 2).'MB';
+		$memory	 = (! function_exists('memory_get_usage')) ? '0' : round(memory_get_usage()/1024/1024, 2).'MB';
 		$output = str_replace('{memory_usage}', $memory, $output);		
 
 		// --------------------------------------------------------------------
@@ -220,7 +220,7 @@
 		// Does the get_instance() function exist?
 		// If not we know we are dealing with a cache file so we'll
 		// simply echo out the data and exit.
-		if ( ! function_exists('get_instance'))
+		if (! function_exists('get_instance'))
 		{
 			echo $output;
 			log_message('debug', "Final output sent to browser");
@@ -285,7 +285,7 @@
 	
 		$cache_path = ($path == '') ? BASEPATH.'cache/' : $path;
 		
-		if ( ! is_dir($cache_path) OR ! is_really_writable($cache_path))
+		if (! is_dir($cache_path) OR ! is_really_writable($cache_path))
 		{
 			return;
 		}
@@ -296,7 +296,7 @@
 		
 		$cache_path .= md5($uri);
 
-		if ( ! $fp = @fopen($cache_path, 'wb'))
+		if (! $fp = @fopen($cache_path, 'wb'))
 		{
 			log_message('error', "Unable to write cache file: ".$cache_path);
 			return;
@@ -327,7 +327,7 @@
 	
 		$cache_path = ($CFG->item('cache_path') == '') ? BASEPATH.'cache/' : $CFG->item('cache_path');
 			
-		if ( ! is_dir($cache_path) OR ! is_really_writable($cache_path))
+		if (! is_dir($cache_path) OR ! is_really_writable($cache_path))
 		{
 			return FALSE;
 		}
@@ -339,12 +339,12 @@
 				
 		$filepath = $cache_path.md5($uri);
 		
-		if ( ! @file_exists($filepath))
+		if (! @file_exists($filepath))
 		{
 			return FALSE;
 		}
 	
-		if ( ! $fp = @fopen($filepath, 'rb'))
+		if (! $fp = @fopen($filepath, 'rb'))
 		{
 			return FALSE;
 		}
@@ -361,7 +361,7 @@
 		fclose($fp);
 					
 		// Strip out the embedded timestamp		
-		if ( ! preg_match("/(\d+TS--->)/", $cache, $match))
+		if (! preg_match("/(\d+TS--->)/", $cache, $match))
 		{
 			return FALSE;
 		}
diff --git a/system/libraries/Pagination.php b/system/libraries/Pagination.php
index 28b74f1..e121203 100644
--- a/system/libraries/Pagination.php
+++ b/system/libraries/Pagination.php
@@ -132,7 +132,7 @@
 			show_error('Your number of links must be a positive number.');
 		}
 				
-		if ( ! is_numeric($this->cur_page))
+		if (! is_numeric($this->cur_page))
 		{
 			$this->cur_page = 0;
 		}
diff --git a/system/libraries/Parser.php b/system/libraries/Parser.php
index a0b310f..417e04f 100644
--- a/system/libraries/Parser.php
+++ b/system/libraries/Parser.php
@@ -130,7 +130,7 @@
 			$temp = $match['1'];
 			foreach ($row as $key => $val)
 			{
-				if ( ! is_array($val))
+				if (! is_array($val))
 				{
 					$temp = $this->_parse_single($key, $val, $temp);
 				}
@@ -158,7 +158,7 @@
 	 */
 	function _match_pair($string, $variable)
 	{
-		if ( ! preg_match("|".$this->l_delim . $variable . $this->r_delim."(.+)".$this->l_delim . '/' . $variable . $this->r_delim."|s", $string, $match))
+		if (! preg_match("|".$this->l_delim . $variable . $this->r_delim."(.+)".$this->l_delim . '/' . $variable . $this->r_delim."|s", $string, $match))
 		{
 			return FALSE;
 		}
diff --git a/system/libraries/Profiler.php b/system/libraries/Profiler.php
index 8a45933..807c1af 100644
--- a/system/libraries/Profiler.php
+++ b/system/libraries/Profiler.php
@@ -106,7 +106,7 @@
 		$output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
 		$output .= "\n";
 		
-		if ( ! class_exists('CI_DB_driver'))
+		if (! class_exists('CI_DB_driver'))
 		{
 			$output .= '<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').'&nbsp;&nbsp;</legend>';
 			$output .= "\n";		
@@ -175,7 +175,7 @@
 		
 			foreach ($_GET as $key => $val)
 			{
-				if ( ! is_numeric($key))
+				if (! is_numeric($key))
 				{
 					$key = "'".$key."'";
 				}
@@ -225,7 +225,7 @@
 		
 			foreach ($_POST as $key => $val)
 			{
-				if ( ! is_numeric($key))
+				if (! is_numeric($key))
 				{
 					$key = "'".$key."'";
 				}
diff --git a/system/libraries/Router.php b/system/libraries/Router.php
index 804e80b..6bb8551 100644
--- a/system/libraries/Router.php
+++ b/system/libraries/Router.php
@@ -80,12 +80,12 @@
 		
 		// Load the routes.php file.
 		@include(APPPATH.'config/routes'.EXT);
-		$this->routes = ( ! isset($route) OR ! is_array($route)) ? array() : $route;
+		$this->routes = (! isset($route) OR ! is_array($route)) ? array() : $route;
 		unset($route);
 
 		// Set the default controller so we can display it in the event
 		// the URI doesn't correlated to a valid controller.
-		$this->default_controller = ( ! isset($this->routes['default_controller']) OR $this->routes['default_controller'] == '') ? FALSE : strtolower($this->routes['default_controller']);	
+		$this->default_controller = (! isset($this->routes['default_controller']) OR $this->routes['default_controller'] == '') ? FALSE : strtolower($this->routes['default_controller']);	
 		
 		// Fetch the complete URI string
 		$this->uri->_fetch_uri_string();
@@ -202,7 +202,7 @@
 			if (count($segments) > 0)
 			{
 				// Does the requested controller exist in the sub-folder?
-				if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$segments[0].EXT))
+				if (! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$segments[0].EXT))
 				{
 					show_404($this->fetch_directory().$segments[0]);
 				}
@@ -213,7 +213,7 @@
 				$this->set_method('index');
 			
 				// Does the default controller exist in the sub-folder?
-				if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$this->default_controller.EXT))
+				if (! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$this->default_controller.EXT))
 				{
 					$this->directory = '';
 					return array();
diff --git a/system/libraries/Session.php b/system/libraries/Session.php
index afa4334..d4fdd3a 100644
--- a/system/libraries/Session.php
+++ b/system/libraries/Session.php
@@ -146,7 +146,7 @@
 		 * a new one.  If it does, we'll update it.
 		 *
 		 */
-		if ( ! $this->sess_read())
+		if (! $this->sess_read())
 		{
 			$this->sess_create();
 		}
@@ -214,7 +214,7 @@
 		
 		$session = @unserialize($this->strip_slashes($session));
 		
-		if ( ! is_array($session) OR ! isset($session['last_activity']))
+		if (! is_array($session) OR ! isset($session['last_activity']))
 		{
 			log_message('error', 'The session cookie data did not contain a valid array. This could be a possible hacking attempt.');
 			return FALSE;
@@ -439,7 +439,7 @@
 	 */		
 	function userdata($item)
 	{
-		return ( ! isset($this->userdata[$item])) ? FALSE : $this->userdata[$item];
+		return (! isset($this->userdata[$item])) ? FALSE : $this->userdata[$item];
 	}
 
 	// --------------------------------------------------------------------
@@ -452,7 +452,7 @@
 	 */	
 	function all_userdata()
 	{
-        return ( ! isset($this->userdata)) ? FALSE : $this->userdata;
+        return (! isset($this->userdata)) ? FALSE : $this->userdata;
 	}
 	
 	// --------------------------------------------------------------------
diff --git a/system/libraries/Table.php b/system/libraries/Table.php
index 439fe2e..38affa5 100644
--- a/system/libraries/Table.php
+++ b/system/libraries/Table.php
@@ -53,7 +53,7 @@
 	 */
 	function set_template($template)
 	{
-		if ( ! is_array($template))
+		if (! is_array($template))
 		{
 			return FALSE;
 		}
@@ -93,7 +93,7 @@
 	 */
 	function make_columns($array = array(), $col_limit = 0)
 	{
-		if ( ! is_array($array) OR count($array) == 0)
+		if (! is_array($array) OR count($array) == 0)
 		{
 			return FALSE;
 		}
@@ -187,7 +187,7 @@
 	{
 		// The table data can optionally be passed to this function
 		// either as a database result object or an array
-		if ( ! is_null($table_data))
+		if (! is_null($table_data))
 		{
 			if (is_object($table_data))
 			{
@@ -246,7 +246,7 @@
 			$i = 1;
 			foreach($this->rows as $row)
 			{
-				if ( ! is_array($row))
+				if (! is_array($row))
 				{
 					break;
 				}
@@ -309,7 +309,7 @@
 	 */
 	function _set_from_object($query)
 	{
-		if ( ! is_object($query))
+		if (! is_object($query))
 		{
 			return FALSE;
 		}
@@ -317,7 +317,7 @@
 		// First generate the headings from the table column names
 		if (count($this->heading) == 0)
 		{
-			if ( ! method_exists($query, 'list_fields'))
+			if (! method_exists($query, 'list_fields'))
 			{
 				return FALSE;
 			}
@@ -347,7 +347,7 @@
 	 */
 	function _set_from_array($data, $set_heading = TRUE)
 	{
-		if ( ! is_array($data) OR count($data) == 0)
+		if (! is_array($data) OR count($data) == 0)
 		{
 			return FALSE;
 		}
@@ -355,7 +355,7 @@
 		$i = 0;
 		foreach ($data as $row)
 		{
-			if ( ! is_array($row))
+			if (! is_array($row))
 			{
 				$this->rows[] = $data;
 				break;
@@ -394,7 +394,7 @@
 		$this->temp = $this->_default_template();
 		foreach (array('table_open','heading_row_start', 'heading_row_end', 'heading_cell_start', 'heading_cell_end', 'row_start', 'row_end', 'cell_start', 'cell_end', 'row_alt_start', 'row_alt_end', 'cell_alt_start', 'cell_alt_end', 'table_close') as $val)
 		{
-			if ( ! isset($this->template[$val]))
+			if (! isset($this->template[$val]))
 			{
 				$this->template[$val] = $this->temp[$val];
 			}
diff --git a/system/libraries/Trackback.php b/system/libraries/Trackback.php
index 5371e90..3e1c202 100644
--- a/system/libraries/Trackback.php
+++ b/system/libraries/Trackback.php
@@ -56,7 +56,7 @@
 	 */	
 	function send($tb_data)
 	{		
-		if ( ! is_array($tb_data))
+		if (! is_array($tb_data))
 		{
 			$this->set_error('The send() method must be passed an array');
 			return FALSE;
@@ -65,7 +65,7 @@
 		// Pre-process the Trackback Data
 		foreach (array('url', 'title', 'excerpt', 'blog_name', 'ping_url') as $item)
 		{
-			if ( ! isset($tb_data[$item]))
+			if (! isset($tb_data[$item]))
 			{
 				$this->set_error('Required item missing: '.$item);
 				return FALSE;
@@ -102,7 +102,7 @@
 		}
 
 		// Build the Trackback data string
-		$charset = ( ! isset($tb_data['charset'])) ? $this->charset : $tb_data['charset'];
+		$charset = (! isset($tb_data['charset'])) ? $this->charset : $tb_data['charset'];
 		
 		$data = "url=".rawurlencode($url)."&title=".rawurlencode($title)."&blog_name=".rawurlencode($blog_name)."&excerpt=".rawurlencode($excerpt)."&charset=".rawurlencode($charset);
 				
@@ -139,13 +139,13 @@
 	{  					
 		foreach (array('url', 'title', 'blog_name', 'excerpt') as $val)
 		{
-			if ( ! isset($_POST[$val]) OR $_POST[$val] == '')
+			if (! isset($_POST[$val]) OR $_POST[$val] == '')
 			{
 				$this->set_error('The following required POST variable is missing: '.$val);
 				return FALSE;
 			}
 			
-			$this->data['charset'] = ( ! isset($_POST['charset'])) ? 'auto' : strtoupper(trim($_POST['charset']));
+			$this->data['charset'] = (! isset($_POST['charset'])) ? 'auto' : strtoupper(trim($_POST['charset']));
 	
 			if ($val != 'url' && function_exists('mb_convert_encoding'))
 			{
@@ -212,7 +212,7 @@
 	 */	
 	function data($item)
 	{
-		return ( ! isset($this->data[$item])) ? '' : $this->data[$item];
+		return (! isset($this->data[$item])) ? '' : $this->data[$item];
 	}
 
 	// --------------------------------------------------------------------
@@ -233,14 +233,14 @@
 		$target = parse_url($url);
 	
 		// Open the socket
-		if ( ! $fp = @fsockopen($target['host'], 80))
+		if (! $fp = @fsockopen($target['host'], 80))
 		{
 			$this->set_error('Invalid Connection: '.$url);
 			return FALSE;
 		}
 
 		// Build the path
-		$ppath = ( ! isset($target['path'])) ? $url : $target['path'];
+		$ppath = (! isset($target['path'])) ? $url : $target['path'];
 		
 		$path = (isset($target['query']) && $target['query'] != "") ? $ppath.'?'.$target['query'] : $ppath;
 
@@ -267,7 +267,7 @@
 		}
 		@fclose($fp);
 		
-		if ( ! eregi("<error>0</error>", $this->response))
+		if (! eregi("<error>0</error>", $this->response))
 		{
 			$message = 'An unknown error was encountered';
 			
@@ -360,7 +360,7 @@
 			$tb_array = explode('/', $url);
 			$tb_end   = $tb_array[count($tb_array)-1];
 			
-			if ( ! is_numeric($tb_end))
+			if (! is_numeric($tb_end))
 			{
 				$tb_end  = $tb_array[count($tb_array)-2];
 			}
@@ -378,13 +378,13 @@
 			$tb_array = explode('/', $url);
 			$tb_id	= $tb_array[count($tb_array)-1];
 			
-			if ( ! is_numeric($tb_id))
+			if (! is_numeric($tb_id))
 			{
 				$tb_id  = $tb_array[count($tb_array)-2];
 			}
 		}	
 				
-		if ( ! preg_match ("/^([0-9]+)$/", $tb_id))
+		if (! preg_match ("/^([0-9]+)$/", $tb_id))
 		{
 			return false;
 		}
diff --git a/system/libraries/URI.php b/system/libraries/URI.php
index d10a5da..f0d0210 100644
--- a/system/libraries/URI.php
+++ b/system/libraries/URI.php
@@ -133,7 +133,7 @@
 	 */	
 	function _parse_request_uri()
 	{
-		if ( ! isset($_SERVER['REQUEST_URI']) OR $_SERVER['REQUEST_URI'] == '')
+		if (! isset($_SERVER['REQUEST_URI']) OR $_SERVER['REQUEST_URI'] == '')
 		{
 			return '';
 		}
@@ -185,7 +185,7 @@
 	{
 		if ($str != '' AND $this->config->item('permitted_uri_chars') != '')
 		{
-			if ( ! preg_match("|^[".preg_quote($this->config->item('permitted_uri_chars'))."]+$|i", $str))
+			if (! preg_match("|^[".preg_quote($this->config->item('permitted_uri_chars'))."]+$|i", $str))
 			{
 				exit('The URI you submitted has disallowed characters.');
 			}
@@ -278,7 +278,7 @@
 	 */
 	function segment($n, $no_result = FALSE)
 	{
-		return ( ! isset($this->segments[$n])) ? $no_result : $this->segments[$n];
+		return (! isset($this->segments[$n])) ? $no_result : $this->segments[$n];
 	}
 
 	// --------------------------------------------------------------------
@@ -297,7 +297,7 @@
 	 */
 	function rsegment($n, $no_result = FALSE)
 	{
-		return ( ! isset($this->rsegments[$n])) ? $no_result : $this->rsegments[$n];
+		return (! isset($this->rsegments[$n])) ? $no_result : $this->rsegments[$n];
 	}
 
 	// --------------------------------------------------------------------
@@ -360,7 +360,7 @@
 			$segment_array = 'rsegment_array';
 		}
 		
-		if ( ! is_numeric($n))
+		if (! is_numeric($n))
 		{
 			return $default;
 		}
@@ -409,7 +409,7 @@
 		{
 			foreach ($default as $val)
 			{
-				if ( ! array_key_exists($val, $retval))
+				if (! array_key_exists($val, $retval))
 				{
 					$retval[$val] = FALSE;
 				}
diff --git a/system/libraries/Unit_test.php b/system/libraries/Unit_test.php
index ff4d0c7..3cdf45f 100644
--- a/system/libraries/Unit_test.php
+++ b/system/libraries/Unit_test.php
@@ -260,8 +260,8 @@
 		{
 			$back = debug_backtrace();
 			
-			$file = ( ! isset($back['1']['file'])) ? '' : $back['1']['file'];
-			$line = ( ! isset($back['1']['line'])) ? '' : $back['1']['line'];
+			$file = (! isset($back['1']['file'])) ? '' : $back['1']['file'];
+			$line = (! isset($back['1']['line'])) ? '' : $back['1']['line'];
 						
 			return array('file' => $file, 'line' => $line);
 		}
@@ -300,7 +300,7 @@
 	 */
  	function _parse_template()
  	{
- 		if ( ! is_null($this->_template_rows))
+ 		if (! is_null($this->_template_rows))
  		{
  			return;
  		}
@@ -311,7 +311,7 @@
  			return;
  		}
  		
-		if ( ! preg_match("/\{rows\}(.*?)\{\/rows\}/si", $this->_template, $match))
+		if (! preg_match("/\{rows\}(.*?)\{\/rows\}/si", $this->_template, $match))
 		{
  			$this->_default_template();
  			return;
diff --git a/system/libraries/Upload.php b/system/libraries/Upload.php
index 760d939..f139070 100644
--- a/system/libraries/Upload.php
+++ b/system/libraries/Upload.php
@@ -135,23 +135,23 @@
 	function do_upload($field = 'userfile')
 	{
 		// Is $_FILES[$field] set? If not, no reason to continue.
-		if ( ! isset($_FILES[$field]))
+		if (! isset($_FILES[$field]))
 		{
 			$this->set_error('upload_no_file_selected');
 			return FALSE;
 		}
 		
 		// Is the upload path valid?
-		if ( ! $this->validate_upload_path())
+		if (! $this->validate_upload_path())
 		{
 			$this->set_error('upload_no_filepath');
 			return FALSE;
 		}
 						
 		// Was the file able to be uploaded? If not, determine the reason why.
-		if ( ! is_uploaded_file($_FILES[$field]['tmp_name']))
+		if (! is_uploaded_file($_FILES[$field]['tmp_name']))
 		{
-			$error = ( ! isset($_FILES[$field]['error'])) ? 4 : $_FILES[$field]['error'];
+			$error = (! isset($_FILES[$field]['error'])) ? 4 : $_FILES[$field]['error'];
 
 			switch($error)
 			{
@@ -198,14 +198,14 @@
 		}
 
 		// Is the file type allowed to be uploaded?
-		if ( ! $this->is_allowed_filetype())
+		if (! $this->is_allowed_filetype())
 		{
 			$this->set_error('upload_invalid_filetype');
 			return FALSE;
 		}
 
 		// Is the file size within the allowed maximum?
-		if ( ! $this->is_allowed_filesize())
+		if (! $this->is_allowed_filesize())
 		{
 			$this->set_error('upload_invalid_filesize');
 			return FALSE;
@@ -213,7 +213,7 @@
 
 		// Are the image dimensions within the allowed size?
 		// Note: This can fail if the server has an open_basdir restriction.
-		if ( ! $this->is_allowed_dimensions())
+		if (! $this->is_allowed_dimensions())
 		{
 			$this->set_error('upload_invalid_dimensions');
 			return FALSE;
@@ -253,9 +253,9 @@
 		 * we'll use move_uploaded_file().  One of the two should
 		 * reliably work in most environments
 		 */
-		if ( ! @copy($this->file_temp, $this->upload_path.$this->file_name))
+		if (! @copy($this->file_temp, $this->upload_path.$this->file_name))
 		{
-			if ( ! @move_uploaded_file($this->file_temp, $this->upload_path.$this->file_name))
+			if (! @move_uploaded_file($this->file_temp, $this->upload_path.$this->file_name))
 			{
 				 $this->set_error('upload_destination_error');
 				 return FALSE;
@@ -350,7 +350,7 @@
 			$filename = md5(uniqid(mt_rand())).$this->file_ext; 			
 		}
 	
-		if ( ! file_exists($path.$filename))
+		if (! file_exists($path.$filename))
 		{
 			return $filename;
 		}
@@ -360,7 +360,7 @@
 		$new_filename = '';
 		for ($i = 1; $i < 100; $i++)
 		{			
-			if ( ! file_exists($path.$filename.$i.$this->file_ext))
+			if (! file_exists($path.$filename.$i.$this->file_ext))
 			{
 				$new_filename = $filename.$i.$this->file_ext;
 				break;
@@ -389,7 +389,7 @@
 	 */	
 	function set_max_filesize($n)
 	{
-		$this->max_size = ( ! eregi("^[[:digit:]]+$", $n)) ? 0 : $n;
+		$this->max_size = (! eregi("^[[:digit:]]+$", $n)) ? 0 : $n;
 	}
 	
 	// --------------------------------------------------------------------
@@ -403,7 +403,7 @@
 	 */	
 	function set_max_width($n)
 	{
-		$this->max_width = ( ! eregi("^[[:digit:]]+$", $n)) ? 0 : $n;
+		$this->max_width = (! eregi("^[[:digit:]]+$", $n)) ? 0 : $n;
 	}
 	
 	// --------------------------------------------------------------------
@@ -417,7 +417,7 @@
 	 */	
 	function set_max_height($n)
 	{
-		$this->max_height = ( ! eregi("^[[:digit:]]+$", $n)) ? 0 : $n;
+		$this->max_height = (! eregi("^[[:digit:]]+$", $n)) ? 0 : $n;
 	}
 	
 	// --------------------------------------------------------------------
@@ -447,7 +447,7 @@
 	 */	
 	function set_image_properties($path = '')
 	{
-		if ( ! $this->is_image())
+		if (! $this->is_image())
 		{
 			return;
 		}
@@ -460,7 +460,7 @@
 
 				$this->image_width		= $D['0'];
 				$this->image_height		= $D['1'];
-				$this->image_type		= ( ! isset($types[$D['2']])) ? 'unknown' : $types[$D['2']];
+				$this->image_type		= (! isset($types[$D['2']])) ? 'unknown' : $types[$D['2']];
 				$this->image_size_str	= $D['3'];  // string containing height and width
 			}
 		}
@@ -587,7 +587,7 @@
 	 */	
 	function is_allowed_dimensions()
 	{
-		if ( ! $this->is_image())
+		if (! $this->is_image())
 		{
 			return TRUE;
 		}
@@ -636,13 +636,13 @@
 			$this->upload_path = str_replace("\\", "/", realpath($this->upload_path));
 		}
 
-		if ( ! @is_dir($this->upload_path))
+		if (! @is_dir($this->upload_path))
 		{
 			$this->set_error('upload_no_filepath');
 			return FALSE;
 		}
 
-		if ( ! is_really_writable($this->upload_path))
+		if (! is_really_writable($this->upload_path))
 		{
 			$this->set_error('upload_not_writable');
 			return FALSE;
@@ -741,7 +741,7 @@
 			return FALSE;
 		}
 		
-		if ( ! $fp = @fopen($file, 'r+b'))
+		if (! $fp = @fopen($file, 'r+b'))
 		{
 			return FALSE;
 		}
@@ -830,7 +830,7 @@
 			}
 		}
 	
-		return ( ! isset($this->mimes[$mime])) ? FALSE : $this->mimes[$mime];
+		return (! isset($this->mimes[$mime])) ? FALSE : $this->mimes[$mime];
 	}
 
 	/**
diff --git a/system/libraries/User_agent.php b/system/libraries/User_agent.php
index ff6d4a9..dd60a56 100644
--- a/system/libraries/User_agent.php
+++ b/system/libraries/User_agent.php
@@ -63,7 +63,7 @@
 			$this->agent = trim($_SERVER['HTTP_USER_AGENT']);
 		}
 		
-		if ( ! is_null($this->agent))
+		if (! is_null($this->agent))
 		{
 			if ($this->_load_agent_file())
 			{
@@ -84,7 +84,7 @@
 	 */		
 	function _load_agent_file()
 	{
-		if ( ! @include(APPPATH.'config/user_agents'.EXT))
+		if (! @include(APPPATH.'config/user_agents'.EXT))
 		{
 			return FALSE;
 		}
@@ -339,7 +339,7 @@
 	 */			
 	function is_referral()
 	{
-		return ( ! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '') ? FALSE : TRUE;
+		return (! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '') ? FALSE : TRUE;
 	}
 
 	// --------------------------------------------------------------------
@@ -429,7 +429,7 @@
 	 */			
 	function referrer()
 	{
-		return ( ! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '') ? '' : trim($_SERVER['HTTP_REFERER']);
+		return (! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '') ? '' : trim($_SERVER['HTTP_REFERER']);
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/libraries/Validation.php b/system/libraries/Validation.php
index 18fdba2..16e8cd7 100644
--- a/system/libraries/Validation.php
+++ b/system/libraries/Validation.php
@@ -74,7 +74,7 @@
 		}
 		else
 		{
-			if ( ! is_array($data))
+			if (! is_array($data))
 			{
 				$data = array($data => $field);
 			}
@@ -87,10 +87,10 @@
 			
 		foreach($this->_fields as $key => $val)
 		{
-			$this->$key = ( ! isset($_POST[$key])) ? '' : $this->prep_for_form($_POST[$key]);
+			$this->$key = (! isset($_POST[$key])) ? '' : $this->prep_for_form($_POST[$key]);
 			
 			$error = $key.'_error';
-			if ( ! isset($this->$error))
+			if (! isset($this->$error))
 			{
 				$this->$error = '';
 			}
@@ -112,7 +112,7 @@
 	 */
 	function set_rules($data, $rules = '')
 	{
-		if ( ! is_array($data))
+		if (! is_array($data))
 		{
 			if ($rules == '')
 				return;
@@ -141,7 +141,7 @@
 	 */
 	function set_message($lang, $val = '')
 	{
-		if ( ! is_array($lang))
+		if (! is_array($lang))
 		{
 			$lang = array($lang => $val);
 		}
@@ -195,9 +195,9 @@
 			$ex = explode('|', $rules);
 
 			// Is the field required?  If not, if the field is blank  we'll move on to the next test
-			if ( ! in_array('required', $ex, TRUE))
+			if (! in_array('required', $ex, TRUE))
 			{
-				if ( ! isset($_POST[$field]) OR $_POST[$field] == '')
+				if (! isset($_POST[$field]) OR $_POST[$field] == '')
 				{
 					continue;
 				}
@@ -212,11 +212,11 @@
 			 * test for it here since there's not reason to go
 			 * further
 			 */
-			if ( ! isset($_POST[$field]))
+			if (! isset($_POST[$field]))
 			{			
 				if (in_array('isset', $ex, TRUE) OR in_array('required', $ex))
 				{
-					if ( ! isset($this->_error_messages['isset']))
+					if (! isset($this->_error_messages['isset']))
 					{
 						if (FALSE === ($line = $this->CI->lang->line('isset')))
 						{
@@ -229,7 +229,7 @@
 					}
 					
 					// Build the error message
-					$mfield = ( ! isset($this->_fields[$field])) ? $field : $this->_fields[$field];
+					$mfield = (! isset($this->_fields[$field])) ? $field : $this->_fields[$field];
 					$message = sprintf($line, $mfield);
 
 					// Set the error variable.  Example: $this->username_error
@@ -274,7 +274,7 @@
 				// Call the function that corresponds to the rule
 				if ($callback === TRUE)
 				{
-					if ( ! method_exists($this->CI, $rule))
+					if (! method_exists($this->CI, $rule))
 					{ 		
 						continue;
 					}
@@ -282,7 +282,7 @@
 					$result = $this->CI->$rule($_POST[$field], $param);	
 					
 					// If the field isn't required and we just processed a callback we'll move on...
-					if ( ! in_array('required', $ex, TRUE) AND $result !== FALSE)
+					if (! in_array('required', $ex, TRUE) AND $result !== FALSE)
 					{
 						continue 2;
 					}
@@ -290,7 +290,7 @@
 				}
 				else
 				{				
-					if ( ! method_exists($this, $rule))
+					if (! method_exists($this, $rule))
 					{
 						/*
 						 * Run the native PHP function if called for
@@ -314,7 +314,7 @@
 				// Did the rule test negatively?  If so, grab the error.
 				if ($result === FALSE)
 				{
-					if ( ! isset($this->_error_messages[$rule]))
+					if (! isset($this->_error_messages[$rule]))
 					{
 						if (FALSE === ($line = $this->CI->lang->line($rule)))
 						{
@@ -327,8 +327,8 @@
 					}				
 
 					// Build the error message
-					$mfield = ( ! isset($this->_fields[$field])) ? $field : $this->_fields[$field];
-					$mparam = ( ! isset($this->_fields[$param])) ? $param : $this->_fields[$param];
+					$mfield = (! isset($this->_fields[$field])) ? $field : $this->_fields[$field];
+					$mparam = (! isset($this->_fields[$param])) ? $param : $this->_fields[$param];
 					$message = sprintf($line, $mfield, $mparam);
 					
 					// Set the error variable.  Example: $this->username_error
@@ -385,13 +385,13 @@
 	 */
 	function required($str)
 	{
-		if ( ! is_array($str))
+		if (! is_array($str))
 		{
 			return (trim($str) == '') ? FALSE : TRUE;
 		}
 		else
 		{
-			return ( ! empty($str));
+			return (! empty($str));
 		}
 	}
 	
@@ -406,7 +406,7 @@
 	 */
 	function matches($str, $field)
 	{
-		if ( ! isset($_POST[$field]))
+		if (! isset($_POST[$field]))
 		{
 			return FALSE;
 		}
@@ -482,7 +482,7 @@
 	 */	
 	function valid_email($str)
 	{
-		return ( ! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $str)) ? FALSE : TRUE;
+		return (! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $str)) ? FALSE : TRUE;
 	}
 
 	// --------------------------------------------------------------------
@@ -537,7 +537,7 @@
 	 */		
 	function alpha($str)
 	{
-		return ( ! preg_match("/^([a-z])+$/i", $str)) ? FALSE : TRUE;
+		return (! preg_match("/^([a-z])+$/i", $str)) ? FALSE : TRUE;
 	}
 	
 	// --------------------------------------------------------------------
@@ -551,7 +551,7 @@
 	 */	
 	function alpha_numeric($str)
 	{
-		return ( ! preg_match("/^([a-z0-9])+$/i", $str)) ? FALSE : TRUE;
+		return (! preg_match("/^([a-z0-9])+$/i", $str)) ? FALSE : TRUE;
 	}
 	
 	// --------------------------------------------------------------------
@@ -565,7 +565,7 @@
 	 */	
 	function alpha_dash($str)
 	{
-		return ( ! preg_match("/^([-a-z0-9_-])+$/i", $str)) ? FALSE : TRUE;
+		return (! preg_match("/^([-a-z0-9_-])+$/i", $str)) ? FALSE : TRUE;
 	}
 	
 	// --------------------------------------------------------------------
@@ -594,7 +594,7 @@
      */
     function is_numeric($str)
     {
-        return ( ! is_numeric($str)) ? FALSE : TRUE;
+        return (! is_numeric($str)) ? FALSE : TRUE;
     } 
 
 	// --------------------------------------------------------------------
diff --git a/system/libraries/Xmlrpc.php b/system/libraries/Xmlrpc.php
index f90ee56..f8ad017 100644
--- a/system/libraries/Xmlrpc.php
+++ b/system/libraries/Xmlrpc.php
@@ -13,7 +13,7 @@
  * @filesource
  */
 
-if ( ! function_exists('xml_parser_create'))
+if (! function_exists('xml_parser_create'))
 {	
 	show_error('Your PHP installation does not support XML');
 }
@@ -176,7 +176,7 @@
 
 	function timeout($seconds=5)
 	{
-		if ( ! is_null($this->client) && is_int($seconds))
+		if (! is_null($this->client) && is_int($seconds))
 		{
 			$this->client->timeout = $seconds;
 		}
@@ -199,7 +199,7 @@
 
 	function request($incoming)
 	{
-		if ( ! is_array($incoming))
+		if (! is_array($incoming))
 		{
 			// Send Error
 		}
@@ -231,7 +231,7 @@
 	{
 		if (is_array($value) && isset($value['0']))
 		{
-			if ( ! isset($value['1']) OR ! isset($this->xmlrpcTypes[strtolower($value['1'])]))
+			if (! isset($value['1']) OR ! isset($this->xmlrpcTypes[strtolower($value['1'])]))
 			{
 				if (is_array($value[0]))
 				{
@@ -275,12 +275,12 @@
 		$this->message = new XML_RPC_Message($this->method,$this->data);
 		$this->message->debug = $this->debug;
 	
-		if ( ! $this->result = $this->client->send($this->message))
+		if (! $this->result = $this->client->send($this->message))
 		{
 			$this->error = $this->result->errstr;
 			return FALSE;
 		}
-		elseif( ! is_object($this->result->val))
+		elseif(! is_object($this->result->val))
 		{
 			$this->error = $this->result->errstr;
 			return FALSE;
@@ -765,7 +765,7 @@
 			$r = new XML_RPC_Response(0, $this->xmlrpcerr['invalid_return'],$this->xmlrpcstr['invalid_return'].' '.$this->xh[$parser]['isf_reason']);
 			return $r;
 		}
-		elseif ( ! is_object($this->xh[$parser]['value']))
+		elseif (! is_object($this->xh[$parser]['value']))
 		{
 			$r = new XML_RPC_Response(0, $this->xmlrpcerr['invalid_return'],$this->xmlrpcstr['invalid_return'].' '.$this->xh[$parser]['isf_reason']);
 			return $r;
@@ -961,7 +961,7 @@
 			case 'STRUCT':
 			case 'ARRAY':
 				$cur_val = array_shift($this->xh[$the_parser]['valuestack']);
-				$this->xh[$the_parser]['value'] = ( ! isset($cur_val['values'])) ? array() : $cur_val['values'];
+				$this->xh[$the_parser]['value'] = (! isset($cur_val['values'])) ? array() : $cur_val['values'];
 				$this->xh[$the_parser]['vt']	= strtolower($name);
 			break;
 			case 'NAME':
@@ -1101,7 +1101,7 @@
 				$this->xh[$the_parser]['lv'] = 2; // Found a value
 			}
 				
-			if( ! @isset($this->xh[$the_parser]['ac']))
+			if(! @isset($this->xh[$the_parser]['ac']))
 			{
 				$this->xh[$the_parser]['ac'] = '';
 			}
diff --git a/system/libraries/Xmlrpcs.php b/system/libraries/Xmlrpcs.php
index ac644d8..1b2ffca 100644
--- a/system/libraries/Xmlrpcs.php
+++ b/system/libraries/Xmlrpcs.php
@@ -13,12 +13,12 @@
  * @filesource
  */
 
-if ( ! function_exists('xml_parser_create'))
+if (! function_exists('xml_parser_create'))
 {	
 	show_error('Your PHP installation does not support XML');
 }
 
-if ( ! class_exists('CI_Xmlrpc'))
+if (! class_exists('CI_Xmlrpc'))
 {
 	show_error('You must load the Xmlrpc class before loading the Xmlrpcs class in order to create a server.');
 }
@@ -176,7 +176,7 @@
 		//  PARSE + PROCESS XML DATA
 		//-------------------------------------  	
 		
-		if ( ! xml_parse($parser, $data, 1))
+		if (! xml_parse($parser, $data, 1))
 		{
 			// return XML error as a faultCode
 			$r = new XML_RPC_Response(0,
@@ -244,7 +244,7 @@
 		//  Valid Method
 		//-------------------------------------
 		
-		if ( ! isset($this->methods[$methName]['function']))
+		if (! isset($this->methods[$methName]['function']))
 		{
 			return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']);
 		}
diff --git a/system/libraries/Zip.php b/system/libraries/Zip.php
index fab8e7f..4bdc925 100644
--- a/system/libraries/Zip.php
+++ b/system/libraries/Zip.php
@@ -57,7 +57,7 @@
 	{
 		foreach ((array)$directory as $dir)
 		{
-			if ( ! preg_match("|.+/$|", $dir))
+			if (! preg_match("|.+/$|", $dir))
 			{
 				$dir .= '/';
 			}
@@ -196,7 +196,7 @@
 	 */	
 	function read_file($path, $preserve_filepath = FALSE)
 	{
-		if ( ! file_exists($path))
+		if (! file_exists($path))
 		{
 			return FALSE;
 		}
@@ -301,7 +301,7 @@
 	 */	
 	function archive($filepath)
 	{
-		if ( ! ($fp = @fopen($filepath, "wb")))
+		if (! ($fp = @fopen($filepath, "wb")))
 		{
 			return FALSE;
 		}
@@ -326,7 +326,7 @@
 	 */		
 	function download($filename = 'backup.zip')
 	{
-		if ( ! preg_match("|.+?\.zip$|", $filename))
+		if (! preg_match("|.+?\.zip$|", $filename))
 		{
 			$filename .= '.zip';
 		}