Gruel

New Features

* add property to store if crawler was intentionally interupted

Refactorings

* add `download_dir` arg to `SeleniumCrawler()`

Refactorings

* add `headless` init arg to `SeleniumCrawler`

Refactorings

* POTENTIALLY BREAKING remove optional arg for showing prog bar during item parsing and instead make it a `ParserMixin` property

Performance improvements

* update progress bar after crawl is finished or limits are exceeded
* better prevent running workers from exceeding max depth

Refactorings

* add additional properties to `ThreadManager`

Fixes

* fix max depth limit not working in `SeleniumCrawler` because it's using a stale `ThreadManager` instance

Refactorings

* change default crawl threads from 5 to 3