History of api_url 2 changes

In src/cli/proposal.rs, lines 13–32 on f556a3ba8a9de7cbd486c946dc8975930c85c0018d02ffff42d2858c9a837166. 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.