General delimiter support
Delimiter support fix
for now, summary of an integer DV gives real-valued statistics

works around #65
Added both directions of isless
Correct behavior for (in)equality operators
Fix up init.jl to work with changes to module system.
Fix for the error related to @defaults (options.jl) mentioned in issue #68.
First attempt to modularize JuliaData and prep for packaging (issue #69).
Change the package name to "DataFrames.jl" and the main module name to
"DataFrames" (#69).
Add REQUIRE (#69).
Fix Datavec["a", NA] (#70).
Tweaks in DataFrames.jl to make tests pass (#69).
Change directories in the loads for packaging (#69).
Package name changes in the README and docs.
Add LICENSE.md (MIT).
Fix a problem due to a recent change to Intrinsics (related to box),
and move the load for Options.jl.
Need to be using Base.Intrinsics or eq_int is missing
Revised DataFrame IO tools + new constructors and DataStreams
Merge pull request #73 from johnmyleswhite/master

[RFC]: New data reading backend
Fixed uninitialized BitArray access