public function Paginacao($order, $inicio, $fim)
 {
     $sql = "SELECT * FROM perguntas {$order} LIMIT {$inicio},{$fim}";
     $stmt = $this->conexao->prepare($sql);
     $stmt->execute();
     $searchResults = array();
     while ($rs = $stmt->fetch(PDO::FETCH_OBJ)) {
         $temp = new Enquete();
         $temp->setIdpergunta($rs->idpergunta);
         $temp->setPergunta($rs->pergunta);
         $temp->setStatus($rs->status);
         array_push($searchResults, $temp);
     }
     return $searchResults;
 }