Added assets default to inheriting from Asset
Add metadata needed to test future-added assets
Add explicit support for paths and their anchors (including mypath.anchors convenience)
Bump version
Texture sourcepaths normalize the path
Add Application#main as convenience for Application#main_presentation
Fix fragile test to account for changed metadata
ensure that filtering does not fail when looking for unexpected kinds or attributes
Add future presentation needed to test future-proofing
Test app.main shortcut
Document changes for latest version