public function fetch_username($sid = false)
 {
     if ($sid != false) {
         $user_row = SteamUser::where('steamid64', '=', $sid)->first();
         $user_api = SteamApi::user($sid);
         if ($user_row == false) {
             $user_row = new SteamUser();
             $user_row->steamid64 = $sid;
             $user_row->avatar_url = $user_api->avatarmedium;
             $user_row->name = $user_api->personaname;
             $user_row->save();
         } else {
             $user_row->avatar_url = $user_api->avatarmedium;
             $user_row->name = $user_api->personaname;
             $user_row->save();
         }
     }
 }