- Falls back to local schema file when fetch fails
- Supports dot separated field names for requesting data
- `get_unique_fields` deleted and replaced with `find_paths`
- `find_field_names` changed to return only field names, no descriptions
- Executing queries called with `.exec()`
- Updates to documentation
- See [PR 31](https://github.com/rcsb/py-rcsb-api/pull/31) for full details
- Updated data_api_schema.json and added all schema files on https://data.rcsb.org/#data-schema