I believe I have installed the script and have been able to enter the configuration parameters, but get the following error when I click Crawl:
Links depth: - 
Current page: - 
Pages added to sitemap: - 
Pages scanned: - (- Kb) 
Pages left: - (+ - queued for the next depth level) 
Time passed: - 
Time left: - 
Memory usage: - 
An error occured: There was an error while the URL specified: /
Error message: Error opening socket to 
HTTP headers follow:
HTTP output:
My script is located at [...] if anyone wants to take a look and see what I am doing wrong.