Pyrsona

What's Changed
* Use structure not parent class when validating table rows against row model by johnbullnz in https://github.com/johnbullnz/pyrsona/pull/4

New Contributors
* johnbullnz made their first contribution in https://github.com/johnbullnz/pyrsona/pull/4

**Full Changelog**: https://github.com/johnbullnz/pyrsona/compare/v0.7...v1.0

- Add `parse_line_by_line()` method to help troubleshoot structure definitions
- Make a specific `parse()` method to deal with parsing strings. The `read()` method now uses `parse()` internally.

- allow custom text encoding in data files

- Initial functionality