History of DirBackend::authorize 3 changes

In crates/oxy-server/src/lib.rs, lines 290–301 on e7ddd552b6199f06be9b66003a428db39cbdb77a1b3afd88756e7f11a6b5e622. 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.