History of DirBackend::authorize 3 changes

In crates/oxy-server/src/lib.rs, lines 290–301 on 22cc934f9b604f30cf286ed36bc7b0d4c28eb0ec8467be056fd467935ae91059. 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 290,301:crates/oxy-server/src/lib.rs.