getVolumeCrossSection now returns List<Line3D>
Path3D getLine(int) will now uses modulo arithmatic to wrap arround and return  lines to prevent crashing if asked for an invalid line number.
Fixed DCFactory and DriftChamberWire geometry. Removed the main function from FTOFFactory.
Added package org.jlab.geom.gui to aid in debugging detector geometries.
Major changes to nearly everything.