bugfix: credit check in slots
Merge pull request #8 from lazyblum/work

bugfix: Allow nesting BBCode up to 20 levels deep instead of 10,
added link to slot machine for those who can use it
added some safeguard to abusing slots too often
changes to ip bans
interface niggle
bugfix: stupido
changes to afterdark css
fix niggle with ip_ban caching
order ip bans by column
bugfix: prevent -ve bets in slotmachine, plus possible fix for sound/display issues
bugfix: force nowrap for slot machine reels in all instances
bugfix: add clear css class to end of user page
bugfix: fixed sql error in ipbans search
bugfix: fixed problem with staff perms on user takemoderate
bugfix: fixed issue with old error messages in upload page
css fixes: updated afterdark with some missing css classes
bugfix: for setting request privs on a user
bugfix: better staff notes for linked accounts comment changes
added user perms for staff page