0.8.1.34:

0.8.1.34:
	Merge vector_nil_string_branch
	... many other incremental fixes, including
	* decrease of number of places array properties need to be
	  specified;
	* rework of build order so that unknown types are never
	  specialized;
	* primitive types need to know the specifier, not the ctype, so
	  make it so;
	* fixes to the kernel classoid hierarchy, so more likely to be
	  consistent internally.

The good news is that, should it prove necessary, reverting this patch
so that (vector nil) isn't a string is probably not very much work; all
that needs to be changed are the kernel classoid supertypes and the
STRING and SIMPLE-STRING definitions (and unparses).  On the other hand,
I'd be interested in trying to fix any performance problem "the right
way" before reverting this behaviour.