History of api_url 2 changes

In src/cli/proposal.rs, lines 13–32 on 0588de69a84d807a47d1013e20ecfaffe92fa1016b3470d10807e130edbcfb94. 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.