Back to the present
WIP: gsub with capture reference in the replacement string
fixed the off by one bug in gsub, and enabled various related tests
fixed the reference to position capture in gsub string replacements + documented the memory layout of captures
low level doc tweak
remove commented out code
improved naming
actualized the README, added a rockspec
created HISTORY.md
stress that we pass the full official test suite
removed obsolete code
More README tweaks.
Merge pull request #1 from pygy/master

update