message: Fix exports in library index
diff: @@ -2,8 +2,8 @@ import * as themes from './themes';
  import * as numbers from './util/numbers';
  import * as currency from './util/currency';
  -export Price from './components/Price';
  -export Heading from './components/Heading';
  -export SubHeading from './components/SubHeading';
  +export { default as Price } from './components/Price';
  +export { default as Heading } from './components/Heading';
  +export { default as SubHeading } from './components/SubHeading';
  export { themes, numbers, currency };
  