History of api_url 2 changes

In src/cli/proposal.rs, lines 13–32 on 0299076f09a24fd7af396c58f21b06a7bba19415e9b6f78e20ca8d1a1aa58475. 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.