buffer doc drafting
more buffers discussion
Merge branch 'buffer-design-doc'

Some buffer binding design documentation.
Number comparison fast path test for comparison helper

Number comparison occurs very often in loops and such, and
should have a fast path.
XXX note: fast path optional
FIXME downgrade
Merge branch 'number-compare-fast-path'

Avoid value stack operations, explicit coercion calls and such when
comparing two normal (not NaN, infinity, or subnormal) values.  This
improves performance in basic for loops and such.