History of serve 4 changes

In crates/hub/src/lib.rs, lines 370–435 on v0.9.9. 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 370,435:crates/hub/src/lib.rs.