History of DirBackend::authorize 3 changes

In crates/oxy-server/src/lib.rs, lines 330–341 on 2ddd471651cd8ba71992cdcc29c5bc42b3094d0f567322143900cf218fd66466. 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 330,341:crates/oxy-server/src/lib.rs.