+ Added 2 new functions in DataBase class: fetch($query) and num_rows($query)
git-svn-id: https://svn.pioder.pl/uf-svn/uF@20 72ec579a-5ced-4fa4-82f3-afba5d98df2f
+ Deleted a few of classes
+ Renamed functions
+ Fixed bug: Changing user nick in ACP
git-svn-id: https://svn.pioder.pl/uf-svn/uF@17 72ec579a-5ced-4fa4-82f3-afba5d98df2f