code: function finalizeSection() {
              if (lastSectionDoc) {
                  self._$headers[lastSectionDoc.file.fullPath].append(" (" + numItemsInSection + ")");
                  if (self._collapsedFiles[lastSectionDoc.file.fullPath]) {
                      self._toggleSection(lastSectionDoc.file.fullPath, true);
                  }
              }
          }
docs: After seeing all results for a given file, update its header with total # of results