docs: updates README and CHANGELOG with version notes and impending new tag

Merge remote branch 'jsnyder-tree/master'

Changes to compile on OS X.

base: noted in CHANGELOG pending 0.3.0 release

base: updates changelog w/ recent changes

lua: updates reported version details to reflect the mainline use

(0) -100 -30 -10 -6 +6 tip

mercurial