- initial add of a new Tcl COmmand named CopperClear

- remade the NCC Tool in preparation for the newly added TclCommand CopperClear

tclCommands/TclCommandPaint.py

@@ -53,6 +53,7 @@ class TclCommandPaint(TclCommand):
             ('tooldia', 'Diameter of the tool to be used. Can be a comma separated list of diameters. No space is '
                         'allowed between tool diameters. E.g: correct: 0.5,1 / incorrect: 0.5, 1'),
             ('overlap', 'Fraction of the tool diameter to overlap cuts. Float number.'),
+            ('margin', 'Bounding box margin. Float number.'),
             ('order', 'Can have the values: "no", "fwd" and "rev". String.'
                       'It is useful when there are multiple tools in tooldia parameter.'
                       '"no" -> the order used is the one provided.'