Update changelog summary.
Update changelog summary.

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