Removed 'mb' from list of admins.
Exclude admins from player queries.
Made the number of items per page configurable.
Reverted setting retrieval.
Enable suppressing all navigation.
Cleaned up CSS.
Added memory info.
Updated admin docs.
Added OS version in sysinfo.
Enabled manipulating player categories.
Completed category updating.
Query refactoring.
Completed DB restore.
Added script for automatic DB backups.