History of api_url 2 changes

In src/cli/proposal.rs, lines 13–32 on 2c9ddac3c3875bfcd955f3007c6fcfab2628c36858dc2ebaf00ee5f5078432de. 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.