…Attachment(). Includes tests for the issue.
…o cache on POST so we are doing so. We still do not cache on PUT because it does not return an E-tag.
…ite failed, because we don't want to keep items in the cache if we get a conflict or 404.
… how the cache is being used, and it doesn't even work to begin with because SagCache->mayCache() never allowed anything to cache to begin with.
… tests arg values at the moment) and CHANGELOG entry.