History of api_url 2 changes

In src/cli/proposal.rs, lines 13–32 on 9b723f69b032497c1d66ac344c7075d163154bece2c0b6dd80037623f1a434c1. 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.