Rex, there seems to be a problem with angle in the latest version:
<img src="http://i.imgur.com/cd7JcBF.png" border="0" />
On the editor: 0�, 90�, 180�, 270� (pressing Z to rotate)
In game: 0�, ?, ?, ? Using "TMXImporter.TileAngle" to set the angle
Seems like a conflict with flipping and mirroring because it worked after I removed those from my game