0.6.11.36:

0.6.11.36:
	added support for --noprogrammer command line option
	tweaked tests/*.test.sh stuff to use the most recently built
		SBCL in the current tree (as other tests/* stuff does)
	renamed some FD-STREAM stuff to be more explicit
	PICK-BACKUP-NAME and ENSURE-ONE-OF needn't be so general.
	reduced generality of BEEP too
	ENSURE-ONE-OF should signal a TYPE-ERROR.
	converted some other CERRORs to ERRORs; redid OPEN errors
	rearranged error output to use pretty printer more