JuliaLang/julia — pull request #7919 by quinnj (2014-08-08 18:48:07+00:00)
Title: Change the last two args of split/rsplit to 'limit' and 'keep' keywords

Fixes #6412.

cc: @StefanKarpinski

Another change that would probably go along with this is having `replace(str, pat, replacement; limit=0)`