v3.3.1 Released

Discuss at the forums, if you want: http://www.minecraftforum.net/topic/112286-beta18-tool-minecraft-x-ray-331/page__view__findpost__p__8259697

Complete changelog:
* Updated OS detection to be far more accepting (specifically for Windows Server 2008, but should be relatively future-proof now)

As you can tell, this is a very minor release. If you already grabbed 3.3.0 and it works for you, there's no real reason to grab 3.3.1.