Security issue fixed, please update ASAP.
In the options for this addon, you can now list words that cannot be used as names.
They can be used as names by administrators however, see below.
Edit in AdminCP
You can now edit a users vanity name in the AminCP, under the 'Personal Details' tab.
When editing via this method, restricted names are not checked.
There is no longer an error when you remove your vanity name.
Case sensitivity fixed - User was classed as different to user.