History of DirBackend::authorize 3 changes

In crates/oxy-server/src/lib.rs, lines 348–359 on be451356e3ef50e074343ccafba1c1174e261c2bfe9c5ff13d6a26ba884ee4d4. 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 348,359:crates/oxy-server/src/lib.rs.