Github-to-sqlite

- New options for the `github-to-sqlite pull-requests`: `--org`, `--state` and `--search`. Thanks, [Ned Batchelder](https://github.com/nedbat). [#80](https://github.com/dogsheep/github-to-sqlite/pull/80)
- Fix for bug caused when a star refers to a now-removed repository. Thanks, [empjustine](https://github.com/empjustine). [#73](https://github.com/dogsheep/github-to-sqlite/pull/73)

- Minor documentation and inline help improvements.

- `--readme` now stores `null` if the README file does not exist, rather than throwing an error. 57
- README HTML is rewritten to fix broken internal links, e.g. for a table of contents. 58

- README now links to example database tables for each command. 56
- Added documentation for `github-to-sqlite releases`.

- New command: `github-to-sqlite workflows`, for fetching the YAML configuration used by [GitHub Actions](https://github.com/features/actions) workflows and using it to populate new `workflows`, `jobs` and `steps` tables. #54
- New command: `github-to-sqlite pull-requests` - thanks, adamjonas! 48
- `github-to-sqlite issues --issue` option can now be used multiple times.

- `github-to-sqlite repos` command now takes options `--readme` and `--readme-html`, which write the README or rendered HTML README into the `readme` or `readme_html` columns, respectively. 52
- New `--accept` option for `github-to-sqlite get`. 50