History of DirBackend::authorize 3 changes

In crates/oxy-server/src/lib.rs, lines 290–301 on e701ec42970d94a48bf15d9e5cdfc671a124ad44afeda9e6cd246bd8b34fcd54. 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.