Removed warnings according to Kohana documentation

~dev_rating/application/bootstrap.php

@@ -214,7 +214,7 @@ Route::set('student:subject', 'subject/<id>', array('id' => '[0-9]+'))
 
         // Внутренние вызовы!
 Route::set('student:index', 'student/index')
-        ->filter(function($route, $params, $request){
+        ->filter(function($route, $params, Request $request){
             if($request->is_initial())
                 return FALSE;
         })
@@ -225,7 +225,7 @@ Route::set('student:index', 'student/index')
         ));
 
 Route::set('student:settings', 'student/settings')
-        ->filter(function($route, $params, $request){
+        ->filter(function($route, $params, Request $request){
             if($request->is_initial())
                 return FALSE;
         })
@@ -236,7 +236,7 @@ Route::set('student:settings', 'student/settings')
         ));
 		
 Route::set('student:profile', 'student/profile')
-        ->filter(function($route, $params, $request){
+        ->filter(function($route, $params, Request $request){
             if($request->is_initial())
                 return FALSE;
         })
@@ -305,7 +305,7 @@ Route::set('teacher:exam', 'exam/<id>', array('id' => '[0-9]+'))
 
         // Внутренние вызовы!
 Route::set('teacher:index', 'teacher/index')
-        ->filter(function($route, $params, $request){
+        ->filter(function($route, $params, Request $request){
             if($request->is_initial())
                 return FALSE;
         })
@@ -316,7 +316,7 @@ Route::set('teacher:index', 'teacher/index')
         ));
 		
 Route::set('teacher:settings', 'teacher/settings')
-        ->filter(function($route, $params, $request){
+        ->filter(function($route, $params, Request $request){
             if($request->is_initial())
                 return FALSE;
         })
@@ -327,7 +327,7 @@ Route::set('teacher:settings', 'teacher/settings')
         ));
 
 Route::set('teacher:profile', 'teacher/profile(/<action>(/<id>))', array('action' => '(student)', 'id' => '[0-9]+'))
-        ->filter(function($route, $params, $request){
+        ->filter(function($route, $params, Request $request){
             if($request->is_initial())
                 return FALSE;
         })

~dev_rating/system/classes/Kohana/Route.php

@@ -381,7 +381,7 @@ class Kohana_Route {
 	 * [!!] Default parameters are added before filters are called!
 	 *
 	 * @throws  Kohana_Exception
-	 * @param   array   $callback   callback string, array, or closure
+	 * @param   array|callback   $callback   callback string, array, or closure
 	 * @return  $this
 	 */
 	public function filter($callback)