History of api_url 2 changes

In src/cli/proposal.rs, lines 13–32 on e82591ec33a43573338641ae9113f0fecbf2d3b5f584360e797cdf1805ce29e1. 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.