0.4	23 May 2006 Robert Sandilands <rsandilands@netscape.net>
	- Added simulated annealing as search algorithm
0.3	12 August 2005 Robert Sandilands <rsandila@netscape.net> 
	- Speed improvements. 
	- Improvements in search algorithm. 
	- Made it possible to solve N x N puzzles. Not only 3 x 3.
0.2	6 August 2005 Robert Sandilands <rsandila@netscape.net>
	-	First public release. Could read an initial state.
0..1	5 August 2005 Robert Sandilands <rsandila@netscape.net>
	- Wrote a proof of concept. Not released.
