History of api_url 2 changes

In src/cli/proposal.rs, lines 13–32 on a707df24e576cc34894b02f62bb094ef4f604802cad7d574dba928d29d4b598b. 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 13,32:src/cli/proposal.rs.