Added support to read and use bloom filters #99
Merged
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This PR adds support to read and use bloom filters to skip row groups. See more details here, as well as the addition to the example where a bloom filter from a parquet file is used to check if a value is (not) on a column from a row group.
This tool is essentially an improvement over using statistics, to skip row groups.
This PR also adds the necessary algorithms to write bloom filters, but does not provide an API do so (yet), as usually bloom filters are created while serializing pages, which requires a larger change, as we currently only receive compressed pages, over which we can't create a bloom filter from
Close #98