JuliaStats/DataArrays.jl — pull request #109 by garborg (2014-07-29 22:20:02+00:00)
Title: Speed up anyna, allna. Reinstate NAs tests.

Also eradicated tabs from a few files, so to see the relevant diff, select the actual commit.

I was hesitant to break the ::AbstractDataArray methods in two, but doing so meant up 100-fold speed ups in some cases.