Spatula

- add `verify` argument to URL source
- improve messaging when using `spatula test`
- add `--dump` flag to `spatula scrape` to control output format

- `self.skip` is deprecated in favor of raising `SkipItem`
- add experimental support for module arguments to `scrape` command

- fix bug where default headers were cleared by default
- update to scrapelib 2.0.6 which contains a bugfix for a redirect follow bug

- fix `spatula --version` to report correct version
- allow `--data` command line flags to override `example_input` values
- add caching of `dependencies`
- fix pagination on non-list pages
- add advanced documentation & anatomy of a scrape

- remove undocumented `page_to_items` function
- added `Page.do_scrape` to programmatically get all items from a scrape
- added `--source` parameter to scout & scrape commands

- remove undocumented `Workflow`
- allow using `Page` instances (as opposed to just the type) for scout & scrape
- add check for `get_filename` on output classes to override default filename
- improved automatic `pydantic` support
- add --timeout, --no-verify, --retries, --retry-wait options
- add --fastmode option to use local cache
- fix all CLI commands to obey various scraper options