History of router 2 changes

In crates/oxy-server/src/lib.rs, lines 162–172 on 7421309f5372005c6ccb9450fd89075bda28c5712214e8c30335609aabc86efc. 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 162,172:crates/oxy-server/src/lib.rs.