+ 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
git-svn-id: https://svn.pioder.pl/uf-svn/uF@14 72ec579a-5ced-4fa4-82f3-afba5d98df2f
git-svn-id: https://svn.pioder.pl/uf-svn/uF@11 72ec579a-5ced-4fa4-82f3-afba5d98df2f