treeeditor.h
2009-11-13 Several fixes, see tex/vym.changelog for details
2009-10-02 using QSortFilterProxy now to enable filtering in TreeEditor
2009-10-01 preparing sortFilter
2009-08-18 Fix for segfault when deleting MCO (invalid QModelIndex needs to be returned in index(TreeItem*) )
2009-05-15 more changes on views