Windowlab has been reverted to previous state as upgrade was not cleared with the extension maintainer:
Title: windowlab.tcz
Description: Small and simple window manager of novel design
Version: 1.34
Author: Nick Gravgaard
Original-site: http://nickgravgaard.com/windowlab/
Copying-policy: GPL v2
Size: 16k
Extension_by: bmarkus
Comments: Compiled for TC2.x
Change-log: ----
Current: 2009/08/09 First version