Index: trunk/core/units/general/inp_ses_storage.php
===================================================================
diff -u -r2299 -r2540
--- trunk/core/units/general/inp_ses_storage.php	(.../inp_ses_storage.php)	(revision 2299)
+++ trunk/core/units/general/inp_ses_storage.php	(.../inp_ses_storage.php)	(revision 2540)
@@ -1,7 +1,5 @@
 <?php
 
-k4_include_once(KERNEL_PATH.'/session/session.php');
-
 	class InpSession extends Session 
 	{
 		function Init($prefix,$special)
Index: trunk/core/kernel/utility/unit_config_reader.php
===================================================================
diff -u -r2368 -r2540
--- trunk/core/kernel/utility/unit_config_reader.php	(.../unit_config_reader.php)	(revision 2368)
+++ trunk/core/kernel/utility/unit_config_reader.php	(.../unit_config_reader.php)	(revision 2540)
@@ -267,6 +267,17 @@
 													$config['BasePath'].'/'.$class_info['file'],
 													$pseudo_class);
 				$event_manager->registerBuildEvent($pseudo_class,$class_info['build_event']);
+				
+				// register classes on which current class depends
+				$require_classes = getArrayValue($class_info, 'require_classes');
+				if($require_classes)
+				{
+					foreach($require_classes as $require_class)
+					{
+						$class_file = $this->Application->Factory->getFileByClassName($require_class);
+						$this->Application->registerClass($class_info['class'], $class_file, $require_class);
+					}
+				}
 			}
 			
 			$register_classes = getArrayValue($config,'RegisterClasses');
Index: trunk/core/kernel/utility/factory.php
===================================================================
diff -u -r1560 -r2540
--- trunk/core/kernel/utility/factory.php	(.../factory.php)	(revision 1560)
+++ trunk/core/kernel/utility/factory.php	(.../factory.php)	(revision 2540)
@@ -135,10 +135,9 @@
 			if(!$this->Files[$real_class]) trigger_error('Real Class <b>'.$real_class.'</b> is not registered with the Factory', E_USER_ERROR);
 			if(!file_exists($this->Files[$real_class])) trigger_error('Include file for class <b>'.$real_class.'</b> (<b>'.$this->Files[$real_class].'</b>) does not exists', E_USER_ERROR);
 			
-			if ( $deps = getArrayValue($this->Dependencies, $real_class) ) {
-				foreach ($deps as $filename) {
-					k4_include_once($filename);
-				}
+			if( $deps = getArrayValue($this->Dependencies, $real_class) )
+			{
+				foreach($deps as $filename) k4_include_once($filename);
 			}
 			
 			k4_include_once($this->Files[$real_class]);
@@ -202,13 +201,19 @@
 			if(!isset($pseudo_class)) $pseudo_class = $real_class;
 			if(!isset($this->Files[$real_class])) $this->Files[$real_class]=$file;
 			
-			if (getArrayValue($this->realClasses, $pseudo_class)) {
+			if( getArrayValue($this->realClasses, $pseudo_class) )
+			{
 				$this->Dependencies[$real_class][] = $this->Files[ $this->realClasses[$pseudo_class] ];
 			}
 			
 			$this->realClasses[$pseudo_class]=$real_class;
 		}
 		
+		function getFileByClassName($class_name)
+		{
+			return getArrayValue($this->Files, $class_name);
+		}
+		
 	}
 
 ?>
\ No newline at end of file
Index: trunk/kernel/units/general/inp_ses_storage.php
===================================================================
diff -u -r2299 -r2540
--- trunk/kernel/units/general/inp_ses_storage.php	(.../inp_ses_storage.php)	(revision 2299)
+++ trunk/kernel/units/general/inp_ses_storage.php	(.../inp_ses_storage.php)	(revision 2540)
@@ -1,7 +1,5 @@
 <?php
 
-k4_include_once(KERNEL_PATH.'/session/session.php');
-
 	class InpSession extends Session 
 	{
 		function Init($prefix,$special)