random: performance improvements to random-integer and random-bits.
random: speed up uniform-random-float.
random: speedup randomize.
random: minor speedup (random-bits).
math.integers: faster fixnum-log2.
math.integers: the fixnum-log2 intrinsic didn't work due to inlining.
random: speedup random-integer some more.

Better code generation by specializing on fixnum/bignum.
bootstrap: remove old counting profiler vocab.
tools.profiler.sampling: fix top-down*.
random: adding (random-unit) for convenience.
random: speed up some random floats using (random-unit).
combinators: faster hashcode for iota.
random: format delete-random better.
layouts: speed up ``M\ iota hashcode*`` using most-positive-fixnum.
words: adding inline-recursive?.
math: speed up (find-integer) and (all-integers?) by removing curry.
hints: prevent specialization on inline-recursive words.
combinators: moving M\ iota hashcode* back since each-integer has hints.
hints: remove these hints for now...
sequences: Rename slice-error the word to check-slice-error, make slice-error the TUPLE: an ERROR: