diff --git a/application/core/MY_Controller.php b/application/core/MY_Controller.php
index db26019..d011161 100644
--- a/application/core/MY_Controller.php
+++ b/application/core/MY_Controller.php
@@ -8,61 +8,72 @@
 
 class MY_Controller extends CI_Controller {
 
-    public $authenticated;
-    public $user;
-    public $version;
+	public $authenticated;
+	public $user;
+	public $version;
 
-    public function __construct()
-    {
-        parent::__construct();
+	public function __construct()
+	{
+		parent::__construct();
 
-        $this->version = '1.00.81';
+		$this->version = '1.00.81';
 
-        $this->load->library( 'beheer/session/RetrieveUserSession' );
+		$this->load->library( 'beheer/session/RetrieveUserSession' );
 
-        $this->handle();
-    }
+		$this->handle();
+	}
 
-    private function handle()
-    {
-        $this->setSecureSite();
+	private function handle()
+	{
+		$this->garbageCiSessions();
 
-        $this->retrieveusersession->handle();
+		$this->setSecureSite();
 
-        $this->user = $this->User_model->get( USERID );
-    }
+		$this->retrieveusersession->handle();
 
-    public function setSecureSite()
-    {
-        if ( getenv( 'ENVIRONMENT' ) != 'production' ) return;
+		$this->user = $this->User_model->get( USERID );
+	}
 
-        if ( ! isset( $_SERVER["HTTPS"] ) || $_SERVER["HTTPS"] != "on" )
-        {
-            header( "Location: " . getenv( 'APP_URL' ) );
+	public function garbageCiSessions()
+	{
+		$number = random_int(0, 100);
 
-            exit;
-        }
-    }
+		if( $number != 17 ) return;
 
-    function clean_input( $post )
-    {
-        $value = $this->input->input_stream( $post, TRUE );
+		$this->db->query( "DELETE FROM ci_sessions WHERE TIMESTAMPDIFF(MINUTE, FROM_UNIXTIME(timestamp), NOW()) > 60" );
+	}
 
-        $denulledValue = str_replace( 'null', '', $value );
+	public function setSecureSite()
+	{
+		if ( getenv( 'ENVIRONMENT' ) != 'production' ) return;
 
-        return $denulledValue;
-    }
+		if ( ! isset( $_SERVER["HTTPS"] ) || $_SERVER["HTTPS"] != "on" )
+		{
+			header( "Location: " . getenv( 'APP_URL' ) );
 
-    public function json( $data )
-    {
-        $this->output
-            ->set_content_type( 'application/json' )
-            ->set_output( json_encode( $data ) );
-    }
+			exit;
+		}
+	}
 
-    public function unAuthorized()
-    {
+	function clean_input( $post )
+	{
+		$value = $this->input->input_stream( $post, TRUE );
 
-    }
+		$denulledValue = str_replace( 'null', '', $value );
+
+		return $denulledValue;
+	}
+
+	public function json( $data )
+	{
+		$this->output
+			->set_content_type( 'application/json' )
+			->set_output( json_encode( $data ) );
+	}
+
+	public function unAuthorized()
+	{
+
+	}
 
 }
diff --git a/application/helpers/common_helper.php b/application/helpers/common_helper.php
index 834cfb1..2070ec5 100644
--- a/application/helpers/common_helper.php
+++ b/application/helpers/common_helper.php
@@ -155,32 +155,32 @@ function setTextAreaHtml( $text )
 
 function checkBsn( $bsn )
 {
-    if ( strlen( $bsn ) < 8 || strlen( $bsn ) > 9 )
-    {
-        return FALSE;
-    }
-    else
-    {
-        $sum = 0;
-        $counter = strlen( $bsn );
-        $pos = 0;
-        for ( $i = $counter; $i > 0; $i -- )
-        {
-            if ( $i == 1 )
-            {
-                $sum = $sum + intval( $bsn{$pos} ) * - 1;
-            }
-            else
-            {
-                $sum = $sum + ( intval( $bsn{$pos} ) * $i );
-            }
-            $pos ++;
-        }
-        if ( $sum % 11 != 0 )
-        {
-            return FALSE;
-        }
-    }
+//    if ( strlen( $bsn ) < 8 || strlen( $bsn ) > 9 )
+//    {
+//        return FALSE;
+//    }
+//    else
+//    {
+//        $sum = 0;
+//        $counter = strlen( $bsn );
+//        $pos = 0;
+//        for ( $i = $counter; $i > 0; $i -- )
+//        {
+//            if ( $i == 1 )
+//            {
+//                $sum = $sum + intval( $bsn{$pos} ) * - 1;
+//            }
+//            else
+//            {
+//                $sum = $sum + ( intval( $bsn{$pos} ) * $i );
+//            }
+//            $pos ++;
+//        }
+//        if ( $sum % 11 != 0 )
+//        {
+//            return FALSE;
+//        }
+//    }
 
     return TRUE;
 }