What's Changed
* perf: cache converters between rows by michalc in https://github.com/uktrade/pg-bulk-ingest/pull/9
* refactor: hide private functions by michalc in https://github.com/uktrade/pg-bulk-ingest/pull/10
* refactor: hide private functions by michalc in https://github.com/uktrade/pg-bulk-ingest/pull/11
**Full Changelog**: https://github.com/uktrade/pg-bulk-ingest/compare/v0.0.3...v0.0.4