PerpendicularBisector Command

PerpendicularBisector( <Segment> ): Yields the perpendicular bisector of a segment.
PerpendicularBisector( <Point>, <Point> ): Yields the perpendicular bisector of a line segment between two points.
PerpendicularBisector( <Point>, <Point>, <Direction>): Yields the perpendicular bisector of a line segment between two points which is perpendicular to the direction. <Direction> can either be a vector, an axis, a line or a segment.