History of Client::fetch 2 changes

In crates/flow/src/images.rs, lines 171–213 on v0.5.1. 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 171,213:crates/flow/src/images.rs.