message: Tidy up server-function index.ts
diff: import { defaultHandler, HTTPHandler } from './serveBinaris';
  export { Handler, HandlerError, UnauthorizedError, getHandler } from './handler';
  -export { HTTPHandler };
  +export { HTTPHandler, defaultHandler };
  -export { defaultHandler };
  export function setHTTPHandler(override: HTTPHandler) {
  module.exports.defaultHandler = override;
  }
  