Version 0.2
	* mix_eval_t.c: (new file) unit test for mix_eval_t
	* mix_eval.h, mix_eval.c, mix_eval_scanner.l: (new files)
	      mix_eval_t type (an w-expression evaluator).
	* mix_device.c (mix_device_write) File buffers are now flushed after
	      a write operation.
Version 0.1.1 (18/11/00)
	* Bug fix: local symbols are now handled properly (see
	           samples/stress{1,2}.mixal)
	* Bug fix: unary - on future refs is handled now (see
	           samples/stress3.mixal).
	* Bug fix: future refs to labels defined with the EQU directive
	           are correctly handled now (see samples/stress4.mixal).
	* Bug fix: configure.in checks for ncurses, needed by readline
	* mix_vm.c (mix_vm_run): overflow of the location pointer checked:
	           the vm halts if this happens.

Version	0.1 (01/11/00)
	* initial revision