[Small-cl-src] a CLIM frontend to RT, the regression tester

Hi, This is a first shot at a regression tester in CLIM. I don't know if the style is squeaky clean (forcing redisplay of panes to re-run the tests seems a bit suboptimal). Still, it's my first real clim program. (-: Have fun, -- Andreas Fuchs, <asf@boinkor.net>, asf@jabber.at, antifuchs