bos/critbit — pull request #56 by kgeorgiy (2013-05-29 18:17:24+00:00)
Title: Implemented lookupGE, lookupLT and lookupLE

Alternative to [Pull Request #33](https://github.com/bos/critbit/pull/33) (sorry, @archblob)

All `lookupXX` implementations based on generic `lookupOrd` function.