Issue 132: stereo attribute missing from ATI config.
Issue 132: stereo attribute missing from ATI config.

theblacklion/pyglet,oktayacikalin/pyglet,mammadori/pyglet,theblacklion/pyglet,oktayacikalin/pyglet,oktayacikalin/pyglet,theblacklion/pyglet,mammadori/pyglet,oktayacikalin/pyglet,theblacklion/pyglet,mammadori/pyglet,theblacklion/pyglet,mammadori/pyglet,oktayacikalin/pyglet