store the total amount of achievable XPs for a Questgroup in the database instead of calculating it every time (Issue #281)

exceptions/AccessDeniedException.inc

@@ -0,0 +1,51 @@
+<?php
+
+	/**
+	 * NRE
+	 *
+	 * @author	coderkun <olli@coderkun.de>
+	 * @copyright	2013 coderkun (http://www.coderkun.de)
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	http://www.coderkun.de/projects/nre
+	 */
+	
+	namespace nre\exceptions;
+	
+	
+	/**
+	 * Exception: Access denied.
+	 * 
+	 * @author	coderkun <olli@coderkun.de>
+	 */
+	class AccessDeniedException extends \nre\core\Exception
+	{
+		/**
+		 * Error code
+		 * 
+		 * @var int
+		 */
+		const CODE	=	85;
+		/**
+		 * Error message
+		 * 
+		 * @var string
+		 */
+		const MESSAGE	=	'access denied';
+		
+		
+		
+		
+		/**
+		 * Consturct a new exception.
+		 */
+		function __construct()
+		{
+			parent::__construct(
+				self::MESSAGE,
+				self::CODE
+			);
+		}
+		
+	}
+
+?>