Changed scope on parse_exec_vars. Fixes #145
diff --git a/system/core/Output.php b/system/core/Output.php
index 82c8215..5ec096a 100644
--- a/system/core/Output.php
+++ b/system/core/Output.php
@@ -28,13 +28,12 @@
  */
 class CI_Output {
 
+	public $parse_exec_vars	= TRUE;	// whether or not to parse variables like {elapsed_time} and {memory_usage}
 	protected $final_output;
 	protected $cache_expiration	= 0;
 	protected $headers			= array();
 	protected $mime_types			= array();
 	protected $enable_profiler	= FALSE;
-	protected $parse_exec_vars	= TRUE;	// whether or not to parse variables like {elapsed_time} and {memory_usage}
-
 	protected $_zlib_oc			= FALSE;
 	protected $_profiler_sections = array();
 
@@ -51,10 +50,10 @@
 		{
 			include APPPATH.'config/mimes'.EXT;
 		}
-		
-		
+
+
 		$this->mime_types = $mimes;
-		
+
 		log_message('debug', "Output Class Initialized");
 	}
 
@@ -87,7 +86,7 @@
 	function set_output($output)
 	{
 		$this->final_output = $output;
-		
+
 		return $this;
 	}
 
@@ -177,7 +176,7 @@
 		$header = 'Content-Type: '.$mime_type;
 
 		$this->headers[] = array($header, TRUE);
-		
+
 		return $this;
 	}