Case sensitivity

[tea-jazz]

It seems that there is an issue with identifying users due to case sensitivity.

As seen here the log_visit code accepts a username, checks if it is registered, emails the user to request registration if not registered, and saves it to the database. You can see the logic that registers the user here. Note that there is no enforcement of case - a user who visits the space as "jsmith" and has registered as "Jsmith" will get emails because the query for the username will fail because they are technically different usernames.