version 0.8 Thu Apr 29 14:36:01 CEST 2010
	- finally licensed lsys as "GPLv3 or any later" (see COPYING),
          thanks to Lievisse Adriaanse for notifying me that lsys
          is not free software.

version 0.7 November 2008(?)
	- make it compile with g++-4.x.
	- improved support for alpha-framebuffers, for hardware that only
          supports that.

version 0.6 Tue Jan  7 20:26:50 CET 2003
	- much improved opengl rendering.
        - antialiasing now done in software by default,
          which is much faster than accumbufs.
        - ported to newer autoconf (2.57) and automake (1.7).
        - long options work now.

version 0.0.5 Mon Dec 23 11:26:34 CET 2002
	- tried to compile on a current system, many fixes.
        - "ported" to g++-3.2, i.e. newer c++.
        - updated to antlr 1.33MR33.

version 0.0.4
	- use <exception> as base class.
        - added -h switch (help).
	- removed bogus options from Makefile.am.
        - updated url.

version 0.0.3  Wed Jun  2 15:14:36 CEST 1999
	- more compatibility fixes.
        - first release.

version 0.0.2
	- removed some BIIG memory leaks.
	- eval cache implemented, lookup very slow.
	- whole bunch of functions added (untested & undocumented, as everything).
	- antialiasing implemented in opengl, just wait a few seconds/minutes.
	- primitive rayshade interface added.
	- primitive (?) radiance interface added.

version 0.0.1  Fri Aug 14 19:35:06 CEST 1998
	- initial revision.
