private function fileReader($filename)
    {
        //Check if the path is defined
        if(empty($this->message_path))
        {
            $this->message_path = __DIR__.DIRECTORY_SEPARATOR.'messages'.DIRECTORY_SEPARATOR;
        }

        //Read message file and return content
        $message = file_get_contents($this->message_path.$filename.'.livia');
        //Return the message
        return $message;
    }