- enabled increasing p/z orders

src/z_transform/z_transform.py

@@ -238,8 +238,7 @@ class zPlot():
 
         else:  # delete / update order
             if self.action == 'add':  # increase order
-                # pPoint.order += 1
-                pass
+                pPoint.order += 1
 
             elif self.action == 'del':