ZeroK: Problems logging in or having another identity?

From ZeroK: link to original post

Due to software failure, lobby user account changes from past few weeks were lost.

However, all your Zero-K XP, unlocks and history is safe and can be restored!

If you are affected, please read these instructions:
http://zero-k.info/Wiki/FixingAccounts

We apologize for the inconvenience, steps are being taken to prevent similar issues in the future.