cant login

Hi,

I am learning how cakePHP does logins from this long example
http://book.cakephp.org/2.0/en/tutorials-and-examples/blog-auth-example/auth.html

I copied all the code in the files and there is a few files here.
Anyway I have 2 questions from that link

1) I cant get anything to login. I dont get an error but at the login screen I cant login with anything and also I go to add where I add a user and I get redirected back to the login screen.

I get from the login scren "You are not authorized to access that location".


2) is the below code required in the User.php file as i didnt include this App::uses

// app/Model/User.php    App::uses('AppModel', 'Model');  App::uses('SimplePasswordHasher', 'Controller/Component/Auth');

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