PD: fixes for pipe task panel + fix Qt4 build failure + fix handling of adding items to spine/auxiliary spine/sections to allow to remove them again + QListWidget::takeItem() returns a pointer to the removed item. So a previous call of QListWidget::item() is superfluous
PD: fixes for pipe task panel
+ fix Qt4 build failure
+ fix handling of adding items to spine/auxiliary spine/sections to allow to remove them again
+ QListWidget::takeItem() returns a pointer to the removed item. So a previous call of QListWidget::item() is superfluous

Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master