Add :follow_links option to not follow links on select pages
Make :skip_links option apply to pages instead of individual links
Make :skip_links option work with true/false
Refactor :follow_links option
Refactor :trailing_slash option tests
Refactor InternalUrls filter
Update Lo-Dash documentation to 2.4.1
Update Ruby On Rails documentation to 4.0.2
Merge pull request #22 from 046569/patch-1

Update Ruby On Rails documentation to 4.0.2
Improve PHP scraper

Fixes #20
Update gem dependencies
Fix I18n deprecation warning
Increase default :max_concurrency
Update HTML documentation
Update JavaScript documentation

Fixes #9
Update DOM documentation
Fix failing Docs::Requester test
Make Docs:Requester#request accept an array of URLs
Make Docs::UrlScraper#request_all accept an array of URLs
Make Docs::FileScraper#request_all accept an array of URLs