History of DirBackend::authorize 3 changes

In crates/oxy-server/src/lib.rs, lines 330–341 on 7993d465675b26e4f5bbec0e278720f490531a3a1542e3969fbbc4ae50dd7e91. 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.