Added logging module

lib/bundle.js

@@ -5,6 +5,7 @@ import Events from './events.js'
 import {DOMFlip, DOMFlippable, CardLoader, PDFLoader, ImageLoader, FrameLoader, HTMLLoader} from './flippable.js'
 import Index from './index.js'
 import Interface from './interface.js'
+import Logging from './logging.js'
 import Poppable from './poppable.js'
 import PopupMenu from './popupmenu.js'
 import Popup from './popup.js'
@@ -60,6 +61,7 @@ window.InteractionDelta = InteractionDelta
 window.InteractionMapper = InteractionMapper
 window.InteractionPoints = InteractionPoints
 window.Interface = Interface
+window.Logging = Logging
 window.PointMap = PointMap
 window.Rect = Rect
 window.Points = Points