Stack trace on scalatest failures
Merge branch 'master' of github.com:amplab/shark into ampmaster
Add DictEncoding support for Int and Long. 32K uniques using Shorts for encoding
Merge branch 'master' of github.com:amplab/shark into ampmaster
def hasNext is now part of the ColumnIterator interface.
Test iteration across column types for both RLE and Dict.
Test non-selection of compression algos.
Test and add Long Columns to RLE supported types.
override def hasNext
Merge pull request #146 from junkumar/dictshort

Add DictEncoding support for Int and Long.