JuliaStats/DataFrames.jl — pull request #469 by johnmyleswhite (2014-01-06 04:23:14+00:00)
Title: Rename coltypes, colnames and clean_colnames

This branch tries to shrink some names down: it replaces `colnames` with `names`, `colnames!` with `names!`, `coltypes` with `types` and `clean_colnames!` with `cleannames`.

It also has some small code cleanups.