NEW: module_system | class_root -> when copying a record, the _copy extension is only added if the title is not empty
BUG: module_v4skin | elements.tpl -> removed a debugging alert
BUG: module_system | class_testbase -> createObject() sets the internal params before calling the first updateObjectToDb()
NEW: module_system | interface_sortmanager -> updated fixSortOnPrevIdChange in order to take a module-filter as an optional argument
BUG: module_pages | pages_sortmanager -> fixed the internal reordering of pages when moving a page within the page-hierarchy. before the elements were taken into to count-determination, too