Add serialization util
Add runtime type checker
First pass at rowgroup filter, needs testing
fix generics in FilterPredicateInverter
fix some more types, add in test for SerializationUtil
some more fixes
Add tests for invert filter predicate
add test for collapse logical nots
small cleanup of filter validator
tests for filter validator
Add tests for statistics filter
cleanup imports
Add logging to ParquetInputFormat and tests for configuration
Add guards for not specifying both kinds of filter
more InputFormat tests
fix java6/7 bug, minor cleanup
First pass at values filter, needs reworking