Add missing type attribute
Add ResourceDump and ResourceDumpManifest objects
Add getter/setter for modified
Give control over whether path attribute is set from build
Update to use ResourceList methods
Add index_as_xml() method
Generalize and flesh out attribute read/write
Start work to reproduce XML examples in spec by building the objects
Fix hash prefixes to have hyphens: sha-1 and sha-256
Create ListBaseWithIndex that adds the sitemapindex/sitemap multi-file functionality to ListBase. Use in both ResourceList and ResourceDumpManifest
Add section 4 and section 5 examples