Fixed bundle problems

lib/bundle.js

@@ -22,7 +22,7 @@ import UITest from './uitest.js'
 import Card from './card/card.js'
 import CardWrapper from './card/wrapper.js'
 import Highlight from './card/highlight.js'
-import ScatterCard from './card/card.js'
+import ScatterCard from './card/scatter.js'
 import { CardPlugin, CardPluginBase } from './card/plugin.js'
 import Theme from './card/theme.js'
 
@@ -92,6 +92,8 @@ window.randomFloat = randomFloat
 
 window.CardWrapper = CardWrapper
 window.Card = Card
+window.CardPlugin = CardPlugin
+window.CardPluginBase = CardPluginBase
 window.ScatterCard = ScatterCard
 window.Highlight = Highlight
 window.Theme = Theme

lib/card/scatter.js

@@ -1,3 +1,5 @@
+import Card from './card.js'
+
 /**
  * Extends the card with scatter functionality.
  *