Keep out circle

Created by: Misca1234

This little add on will create a "keep out circle" like this

It is created like a normal circle

    :Keyword Arguments:
        * *center* (``Vector2D``) --
          center of the circle
        * *radius* (``float``) --
          radius of the circle
        * *layer* (``str``) --
          layer on which the circle is drawn (default: 'Dwgs.User')
        * *width* (``float``) --
          width of the circle line (default: None, which means auto detection)
        * *step* (``float``) --
          the step betwene the crossing lines (default: 1 mm)

With the extra parameter 'step' which define the step along the x-axis for the intersection lines