History of api_url 2 changes

In src/cli/proposal.rs, lines 13–32 on 3526d339519feac261d467ea056c65093428bd1fc602da82d5fdf44b713a186f. 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.