This change ensures that users may not log in with the bot name or with
the anonymous user name. This change requires the uid of the anonymous
user and bot to be manually changed in the users table and the uid to be
similarly changed in the history table
user	old	new
anon	1	0
bot	2	1
Merge branch 'v3' of https://github.com/odchbot/odchbot into v3
Merge branch 'v3' of https://github.com/odchbot/odchbot into v3
Merge branch 'v3' of https://github.com/odchbot/odchbot into v3
Merge branch 'v3' of https://github.com/odchbot/odchbot into v3