0.8.12.31:

0.8.12.31:
	Fix bug 269 (also rediscovered by Peter Seibel on
	comp.lang.lisp)
	... SCALE-FLOAT scales floats by integers, not just
		float-exponents;
	... write code to minimize generic calls, not that I think
		SCALE-FLOAT is likely to be on many critical paths;
	... tests