the wires stay centered on a centerline with respect to each other.
Also corrected the long-standing minor issue that the outline
drawing of the wire does not update when using the mouse scroll
wheel, making it unclear that the wire size has changed until the
wire position changes.
development had been halted since it was first created back in April.
Version 8.2 is now the official development version, with the first
development push to create a Cairo graphics interface.
Tim Edwards