FlixelCommunity/flixel — pull request #127 by IQAndreas (2012-12-21 22:21:03+00:00)
Title: Log error if invalid Bitmap passed to `FlxG.addBitmap()`

Resolves the following issue:
* FlxG.as line 738,743 undefined property bitmapData
- https://github.com/FlixelCommunity/flixel/issues/15
- https://github.com/AdamAtomic/flixel/issues/217