public function postRegistro(Requests\Clientes\ClienteRegistroRequest $request)
 {
     $resp = Validaciones::validarCI($request['identificacion']);
     if ($resp != 'ok') {
         $errors = array("0" => $resp);
         return $request->response($errors);
     }
     Clientes::create($request->all());
     return redirect()->route('registrar_cliente')->with('message', 'ok');
 }