Index: branches/unlabeled/unlabeled-1.12.10/core/kernel/utility/factory.php
===================================================================
diff -u -r3798 -r4350
--- branches/unlabeled/unlabeled-1.12.10/core/kernel/utility/factory.php	(.../factory.php)	(revision 3798)
+++ branches/unlabeled/unlabeled-1.12.10/core/kernel/utility/factory.php	(.../factory.php)	(revision 4350)
@@ -208,7 +208,7 @@
 		 * @param Array $dependecies List of classes required for this class functioning
 		 * @access public
 		 */
-		function registerClass($real_class,$file,$pseudo_class=null, $dependecies = Array() )
+		function registerClass($real_class, $file, $pseudo_class=null, $dependecies = Array() )
 		{
 			if(!isset($pseudo_class)) $pseudo_class = $real_class;
 			if(!isset($this->Files[$real_class])) $this->Files[$real_class]=$file;
@@ -219,6 +219,7 @@
 			}
 			if($dependecies)
 			{
+				if (!is_array($dependecies)) $dependecies = array($dependecies);
 				foreach($dependecies as $required_class)
 				{
 					$this->registerDependency($real_class, $required_class);
@@ -238,7 +239,9 @@
 		 */
 		function registerDependency($depended_class, $class_name)
 		{
-			$this->Dependencies[$depended_class][] = $this->realClasses[$class_name];
+			if (!in_array($this->realClasses[$class_name], $this->Dependencies[$depended_class])) {
+				$this->Dependencies[$depended_class][] = $this->realClasses[$class_name];
+			}
 		}
 	}