math.parser: faster using byte-arrays.
math.parser: do two digits down until 10.
stack-checker: remove a test that is no longer valid, need to replace it with something.
stack-checker: maybe add a test that tests what the todo said.
stack-checker: make recursive-reduce have same signature as reduce.
pdf.wrap: adding some tests.
benchmark.parse-fixnum: adding a fixnum parse benchmark.
benchmark.parse-bignum: adding a bignum parse benchmark.
math.statistics: adding demean and demedian, cleanup a bit.
benchmark.parse-float: add a float parse benchmark.
math.parser: exactly allocate sbuf for fixnums.
benchmark.parse-ratio: adding a ratio parse benchmark.
math.parser: don't use variables in M\ ratio >base.
math.ratios: faster M\ ratio /mod.
math.ratios: faster M\ ratio mod.
xmode.highlight: enable highlighting of words.
math.functions: faster >rect by specializing for complex.
slots: fix typo, cleanup style a little bit.
grouping: fix circular-slice equal.
xmode.highlight: highlight vocabs and pathnames too.