- modified the way the status bar icon is set

- Drilling Tool - fixed missing feedrate code when the toolchange is Off
- AppTextEditor - working on syntax highlighting
- App - trying to speed up the new project creation
- Tcl Shell - Browser Edit - added Undo/Redo, Cut and Delete selection
- replace all the exec_() calls with exec() (except one situation in Tcl where I'm not sure of the effect)

camlib.py

@@ -3306,6 +3306,7 @@ class CNCjob(Geometry):
             t_gcode += self.doformat(p.toolchange_code, toolchangexy=(temp_locx, temp_locy))
             t_gcode += self.doformat(p.z_feedrate_code)
         else:
+            t_gcode += self.doformat(p.z_feedrate_code)
             t_gcode += self.doformat(p.lift_code)
 
         # Spindle start