concatenate non-parseable response body to e.stack

lib/get-acme-urls.js

@@ -30,6 +30,8 @@ module.exports.create = function (deps) {
         try {
           data = JSON.parse(data);
         } catch(e) {
+          err.raw = data;
+          err.stack += '\n' + data;
           cb(e);
           return;
         }