Start storing users
* [ ] New XML file, configurable from config file.
* [ ] `=account register` command
* [ ] Some way to delete your own account (`=account delete`) - with confirmation
* [ ] Some way for admins to forcibly delete accounts (`=account delete <accountname>`)
* [ ] Some way to change your email address (`=account email <mail>`)
* [ ] Don't force an email address to be stored
* [ ] Email confirmation before activation (`=account email verify <code>`)
* [ ] Privacy policy for holding email address
* [ ] Timeout for email verification
== XML ==
* root
** users
*** user mask= mail= globalflags= mailconfirmed=
*** user mask= mail= globalflags= confirmationhash=
*** user mask= mail= globalflags=
*** user mask= globalflags=
*** ...