use response status code if available

[bobemoe]

Adds status code to failed response output.

Before: (Host did not respond)

200 OK - https://xxx.co.uk/test.html
301 Moved Permanently - https://xxx.co.uk/test2-old.html
301 Moved Permanently - http://xxx.co.uk/test2.html
200 OK - https://xxx.co.uk/test2.html
Host did not respond: Not Found - https://xxx.co.uk/test3.html (found on https://xxx.co.uk/test2.html)

Crawling summary
----------------
1 url(s) did have unresponsive host(s)
Crawled 2 url(s) with statuscode 200
Crawled 2 url(s) with statuscode 301

After: (404)

200 OK - https://xxx.co.uk/test.html
301 Moved Permanently - https://xxx.co.uk/test2-old.html
301 Moved Permanently - http://xxx.co.uk/test2.html
200 OK - https://xxx.co.uk/test2.html
404: Not Found - https://xxx.co.uk/test3.html (found on https://xxx.co.uk/test2.html)

Crawling summary
----------------
Crawled 2 url(s) with statuscode 200
Crawled 2 url(s) with statuscode 301
Crawled 1 url(s) with statuscode 404

[freekmurze]

Thanks!