Move token generation to Security namespace

app/Auth/RememberMe.php

@@ -5,7 +5,7 @@ namespace Kanboard\Auth;
 use Kanboard\Core\Base;
 use Kanboard\Core\Request;
 use Kanboard\Event\AuthEvent;
-use Kanboard\Core\Security;
+use Kanboard\Core\Security\Token;
 
 /**
  * RememberMe model
@@ -165,8 +165,8 @@ class RememberMe extends Base
      */
     public function create($user_id, $ip, $user_agent)
     {
-        $token = hash('sha256', $user_id.$user_agent.$ip.Security::generateToken());
-        $sequence = Security::generateToken();
+        $token = hash('sha256', $user_id.$user_agent.$ip.Token::getToken());
+        $sequence = Token::getToken();
         $expiration = time() + self::EXPIRATION;
 
         $this->cleanup($user_id);
@@ -216,7 +216,7 @@ class RememberMe extends Base
      */
     public function update($token)
     {
-        $new_sequence = Security::generateToken();
+        $new_sequence = Token::getToken();
 
         $this->db
              ->table(self::TABLE)