History of CasFs::new 1 change

In crates/flow-casfs/src/main.rs, lines 53–84 on 0941bb8ac32bf9220140348df240d9754203223ef8d6acdf77298b0a08b5e522. 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 53,84:crates/flow-casfs/src/main.rs.