v0.3.0 Breaking: * Make `Reader::row_reader()` take a ref instead of owned RowReaderOptions Additions: * Add ParallelRowIterator * Implement ExactSizeIterator and DoubleEndedIterator for RowIterator * Implement `row_number()` and `seek_to_row()` for RowReader * Impl Sync and Clone for RowReaderOptions * Implement Send for vectors Fixes: * Fix empty list deserialization Internal: * `orcxx_derive/tests/test1.rs`: Test more batch sizes (+deduplicate)