History of DirBackend::authorize 3 changes

In crates/oxy-server/src/lib.rs, lines 367–378 on e10ba80000e10f8a410cc4e22471a10263bc6c2ad81c8c4b8dbf454bbb8c3e97. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 367,378:crates/oxy-server/src/lib.rs.