Carson

Allow users option to change username

1

Can be implemented similar to how password changes are currently done, though there should be some sort of cooldown so this isn't abused.

Add some view on the contest page that lists users with an IP that matches another user in the contest. The IP that the user enters the contest with can...

The contest tag on problems used in private contests should not be visible to a user unless the user has access to join the contest.