History of api_url 2 changes

In src/cli/proposal.rs, lines 13–32 on a405d4c99440ad4f019924842d82b13cde76faccf9463a89892c09dd2e06db38. 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.