0.9.6.11:

	Fixed vicious metacircle bug on multiple subclasses of
	standard-generic-function.
	... implement Gerd Moellmann's error message from cmucl-imp
		2005-05-29;
	... be a little more disciplined over slot accesses from
		within dfun computation;
	... uncomment a bunch of test cases, and write a specific
		test case.