* DirCache: Fix bad code formatting
* DirCacheEntry: Speed up creation by avoiding string cast
* DirCache: Fix getEntriesWithin("") to not include null entries
* Fix performance regression in CanonicalTreeParser
* Allow setting detail message and cause when constructing most exceptions
* Use message from ServiceNotAuthorizedException, ServiceNotEnabledException
* dumb HTTP: Clarify AsIsFilter by introducing req and res locals
* Clarify description of ServiceNotAuthorizedException