History of api_url 2 changes

In src/cli/proposal.rs, lines 13–32 on b0abd4a7470876bf8d67f182c2207f7a7f79898a17def2e75a906e075e2aa1d5. 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.