[PythonCAD] Subversion access update

[Art Haas]

Hi.

After completing the Subversion/Apache upgrades on Sunday I've been able
to pull the PythonCAD public repo twice, so I'm confident that things
work now. Updates to pulled repos also work, so things are looking good.

Art

-- 
Man once surrendering his reason, has no remaining guard against absurdities
the most monstrous, and like a ship without rudder, is the sport of every wind.

-Thomas Jefferson to James Smith, 1822