~tile/xtile

The tileworld system (Xwindows version).  Sources and binaries.
----------------------------------------------------------------------
agent/		The agent module.
basics/		Stuff other than the user interface, that is common 
			to or needed by several modules.
exper/		The experiment module.  For defining and running
			series of tileworld experiments.
experiments/    Working directory for experiment-specification files
			and experiment-generated data.
ui/		User-interface code that is common to all modules.
world/		The world module.
