History of api_url 2 changes

In src/cli/proposal.rs, lines 13–32 on ee6aa3e81bc86069b2497a22e1be65df9408fd39190031cf9c27aeb57e4a8fdb. 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.