Add &newline; and &tab; to CI_Security::
diff --git a/system/core/Security.php b/system/core/Security.php
index d6356f8..32ecbba 100644
--- a/system/core/Security.php
+++ b/system/core/Security.php
@@ -69,7 +69,9 @@
 	public $html5_entities = array(
 		':'	=> ':',
 		'('	=> '(',
-		')'	=> ')'
+		')'	=> ')',
+		'&newline;',	=> "\n",
+		'&tab;',	=> "\t"
 	);
 
 	/**