Filters are now applied by

$table->filter('Limit', array(2,2));
rather than
$table->filter('Piwik_DataTable_Filter_Limit', array(2,2));
old way still works though

git-svn-id: http://dev.piwik.org/svn/trunk@1049 59fd770c-687e-43c8-a1e3-f5a4ff64c105