History of DirBackend::authorize 3 changes

In crates/oxy-server/src/lib.rs, lines 409–420 on 45a6f5ec85cf42c53680f77a63424167eaf5302644f89f304c2b10fb086d6b17. 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 409,420:crates/oxy-server/src/lib.rs.