checkpoint lua work
deal with timestamp-less reqs
syntactic fixup
accept strptime_format from lua
borrow apple's internal struct tm -> time_t conversion

as long as we don't care at all about leap seconds, we should be fine.
move lua over the ug_guts one
move test.lua -> rails.lua
if included, call "on_eof()" in lua
add function prototype
prep for code re-org
update gemspec
use pkg-config to find lua
update makefile for linux
put trailing --- separator back in
wire lua into main ruby
rename lua.{c,h} to ug_lua.{c,h}
rename extract -> ug_gzip_cat, fix warnings
fix warnings
get everything compiling, put lua into index-building functionality
cleanup unused variables