* 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
* this requires loaded items - go to admin panel and select Items menu, then reload
* added items.xml loader class and weapons.xml loader class
* load also runes into spells table
* (internal) changed spells.vocations database field to store json data instead of comma separated
* (internal) renamed existing Items class to Items_Images
