Fix cli window test
Made TombstoneValue a case object
Tombstone is not a primitive value
Introduce tombstone as top-level value in ingest thrift format
Remove tombstone as primitive of ingest format
Merge pull request #308 from ambiata/topic/tombstone-not-primitive

Tombstone is not a primitive value
Remove use of --delim in examples.
Merge pull request #310 from ambiata/topic/no-delim-option

Remove use of --delim in examples.
Update scoobi.
Merge pull request #311 from ambiata/topic/update-scoobi

Update scoobi.
Extract parsePrimitive to Value
Extract DictionaryTextStorageV2 parseEncoding
Support basic filtering for virtual features
Introduce Query as holder of Expression and Filter
Specialise FilterReductionExpression