Fix intermitted test failure
Fix the comment
move serializers to a serializers package
Merge pull request #198 from chinmay-gupte/fix_intermittent_test_failure

Fix intermittent test failure
Merge pull request #200 from fourk/cleanup_packages

Package Cleanup pt1 -- move serializers to a package
move tests to serializers package
stop leaking astyanax internals out of the reader
clean up updating shard state
remove code duplication in getColumns
update catch to match what is thrown
go back to not batching shard state reads
Merge pull request #199 from fourk/cleanup_reader

RFR Reader Cleanup Part 2
Merge branch 'master' into http_bulk_ingest_aggregates