History of api_url 2 changes

In src/cli/proposal.rs, lines 13–32 on c6e69e4b8d8f6fe6e7bec5dabc9d471c19c32bc457e05de8975a45100349af44. 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.