Rename _send_instructions to send_instructions and make it protected
Merge pull request #47 from daidais/send_instructions

Rename _send_instructions to send_instructions and make it protected
Update driver.php

Making role checking case insensitive
Merge pull request #49 from spaquet/master

Update driver.php
Fix an error of flawed logic in user.php fixes #40

If $this->roles is empty, either no roles where assigned, or all assigned roles were removed.

Only in that case, the code should look into a default value. 

The OR part in the if statement should not be there.