title: Issue with AFNetworking
body: <p>My client webservice send me a result like this:</p>
  
  <pre><code>{"login":{"EMAIL":"none","ID":"none","NOME":"none"}}
  </code></pre>
  
  <p>So, in AFN doesn't work.</p>
  
  <p>But, if have one more result works:</p>
  
  <pre><code>{"login":[{"EMAIL":"none","ID":"none","NOME":"none"},{"EMAIL":"none","ID":"none","NOME":"none"}]}
  </code></pre>
  
  <p>My code:</p>
  
  <pre><code>NSDictionary *paramLogin = [NSDictionary dictionaryWithObjectsAndKeys:_txtEmail.text, @"email",_txtSenha.text, @"senha", nil];
  
  AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
  
  [manager GET:@"http://webservice.info" parameters:paramLogin success:^(AFHTTPRequestOperation *operation, id responseObject) {
  
      NSLog(@"%@" , responseObject );
  
      for (NSDictionary *retLogin in [responseObject valueForKeyPath:@"login"]) {
  
          nome  = [retLogin objectForKey:@"nome"];
          email = [retLogin objectForKey:@"email"];
  
  
      }
  
  } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
  
      NSLog(@"Error: %@", error);
  
  }];
  </code></pre>
  
  <p>why it is like this? or what I've to do ?</p>