migration of "util" module to use luajit's FFI
Merge remote-tracking branch 'upstream/master' into ffi-experiments
Merge branch 'master' of github.com:hwhw/koreader-base
Merge remote-tracking branch 'upstream/master'
remove native "util" module (now using FFI)
typo in comment
Merge pull request #46 from hwhw/master

Migration of "util" module to use Luajit's FFI