Merge pull request chriskacerguis#118 from kwoodfriend/master

Fix for bug in Format.php's to_html()

Author: Phil Sturgeon

application/libraries/Format.php

@@ -146,8 +146,8 @@ public function to_html()
 	{
 		$data = $this->_data;
 
-		// Multi-dimentional array
-		if (isset($data[0]))
+		// Multi-dimensional array
+		if (isset($data[0]) && is_array($data[0]))
 		{
 			$headings = array_keys($data[0]);
 		}