Add support for optional debug parameters
Update debug documentation for clarity and accuracy
Add printFields and printTuple interval support
sumByLocalKeys, Counters and Task Numbers
add support for json nested fields, aim for no explosions and minimal performance impact
Revert everything but sumByLocalKey
Merge branch 'develop' into sumbylocalKeys
Merge
How did that even compile?
nicer pattern matching for jsonline
Merge pull request #713 from kadwanev/nested_json_fields

Add nested object support to JsonLine
Merge pull request #661 from twitter/tasks-mapside

sumByLocalKeys
Refactor Grouped to use TypedPipe
Clean the state tracking up more
Merge pull request #716 from twitter/group-better

Refactor Grouped to use TypedPipe
Move hashJoin and friends to TypedPipe
Don't convert back to TypedPipe from KeyedList until needed
Created a typed wrapper for Checkpoint and added tests for it
Merge pull request #722 from ccsevers/typed_checkpoint

Created a typed wrapper for Checkpoint and added tests for it
Merge pull request #721 from twitter/fix-hash

Move hashJoin and friends to TypedPipe