4.0.0

• the CrawlObserver and CrawlProfile are upgraded from interfaces to abstract classes
• don't crawl tel: links

3.2.1

• fix endless loop

3.2.0

• add setCrawlObservers, addCrawlObserver

3.1.3

• fix setMaximumResponseSize (someday we'll get this right)

3.1.2

• fix setMaximumResponseSize

3.1.1

• fix setMaximumResponseSize

3.1.0

• add setMaximumResponseSize

3.0.1

• fix for exception being thrown when encountering a malformatted url

3.0.0

• use \Psr\Http\Message\UriInterface for all urls
• use Puppeteer
• drop support from PHP 7.0

2.7.1

• allow symfony 4 crawler