* changed tableExist and fieldExist to $db->hasTable(table) +
$db->hasColumn(table, column)
* new configurable: database_log - can log database queries and show in
website source when logged as super admin
* removed debug_level configurable, enabled by default when logged on
super admin
* added OTS_Account:getCountry()
* added posibility to load OTS_Player partially, and without skills
* (internal) changed depracated $ots->createObject() functions with
their OTS_ equivalents
* (internal) removed unused code
* moved site_closed to database, now you can close your site through
admin panel
* added option to admin panel: clear cache
* added experiencetable_rows configurable
* optimized OTS_Account->getGroupId(), now its using like 20 queries
less
* optimized OTS_Player->load($id) function, should perform faster
loading
* fixed highscores displaying of group outfits