Return 404 from server if fingerprint is a mismatch
Allow if_match to test asset digest
Cache assets fetched by digest
Fix inspect
Fix perf redundant call tests
Test etag lookup performance
Test backend cache access performance
Only cache full asset contents at digest, then point to it via a
digest
Catch unmarshaling errors
Avoid trail alias feature and always resolve on content type
Fix logical path generation and lookup for more weird paths