new features:
- Reader supports nested structures.
- Parquet output is now compatible with AWS Athena
- Writer can append data to existing file
improvements:
- Parquet metadata sets page sizes according to standard
- Schema and SchemaElement has Show method allowing to get user readable representation
bug fixes:
- some files mix encodings between data pages resulting in wrong count of rows and occasional crashes (#183)
- some string encoded fields not annotated properly were crashing Parquet.Net reader (#138)