FlixelCommunity/flixel — pull request #87 by IQAndreas (2012-09-16 22:12:14+00:00)
Title: Prevent passing `null` to FlxObject

If null is passed, Flixel will log a warning,
and as expected, will return the object passed in (null).

Resolves the following issues:
- https://github.com/FlixelCommunity/flixel/issues/65
- https://github.com/AdamAtomic/flixel/issues/163