Issue 322: Animation.from_image_sequence loop fixed.
Issue 322: Animation.from_image_sequence loop fixed.

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