Page Url should not be specified anymore.
Break out archive and archive location code into classes.
Merge branch 'master' into web_browsers_cleanup
Update documentation.
Use the Archive class.
Update spec to use ArchiveLocation.
Sort file names before comparing them.
Additional steps for ArchiveLocation#validate
Pass opts into ArchiveLocation.
Bump version.
Merge pull request #4 from bimech/web_browsers_cleanup

Remove unused page_url parameter and cleanup artifact handling.