Misc formatting fixes
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php
index b727b80..a66a16e 100644
--- a/system/database/drivers/pdo/pdo_driver.php
+++ b/system/database/drivers/pdo/pdo_driver.php
@@ -90,7 +90,7 @@
 			$this->_like_escape_chr = '!';
 		}
 		
-		$this->hostname = $this->hostname . ";dbname=".$this->database;
+		$this->hostname .= ";dbname=".$this->database;
 		
 		$this->trans_enabled = FALSE;
 
@@ -106,7 +106,8 @@
 	function db_connect()
 	{
 		$this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT;
-		return new PDO($this->hostname,$this->username,$this->password, $this->options);
+		
+		return new PDO($this->hostname, $this->username, $this->password, $this->options);
 	}
 
 	// --------------------------------------------------------------------
@@ -119,10 +120,10 @@
 	 */
 	function db_pconnect()
 	{
-		return new PDO($this->hostname,$this->username,$this->password, array(
-			PDO::ATTR_ERRMODE => PDO::ERRMODE_SILENT,
-			PDO::ATTR_PERSISTENT => true
-		));
+		$this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT;
+		$this->options['PDO::ATTR_PERSISTENT'] = TRUE;
+	
+		return new PDO($this->hostname, $this->username, $this->password, $this->options);
 	}
 
 	// --------------------------------------------------------------------