Fixed eval-induced bugs;corrected def of :(.^)
Fixed NA^2.0 bug
Initial steps towards removing naRule's
Nearly working draft
Fixed constructor
Revised example of failure induced by load()
Run tests
Revised simplification
Cleaned up tests, vertical printing
Re-organize DataFrames code based on DataVec changes
Temporary fix for working w/ BitArray's
Added @transform and @DataFrame.
Substantial cleanup for DataVec's and DataFrame's
Updated use of list comprehensions
Usable new implementation of DataVec's
All tests pass except for those caused by core Julia issues

Fixed flaws in levels() and values() for PooledDataVec's
Fixed bug in isequal() definitions
Removed out-of-date comment
Revised DataStreams
Changes because BitArray is now in Base
Added a Git Ignore file