Cleanup css declaration parsing
Cleanup css declaration parsing

niklaskorz/pyglet,theblacklion/pyglet,adamlwgriffiths/Pyglet,niklaskorz/pyglet,seeminglee/pyglet64,mammadori/pyglet,niklaskorz/pyglet,mammadori/pyglet,theblacklion/pyglet,oktayacikalin/pyglet,seeminglee/pyglet64,adamlwgriffiths/Pyglet,theblacklion/pyglet,oktayacikalin/pyglet,oktayacikalin/pyglet,adamlwgriffiths/Pyglet,theblacklion/pyglet,adamlwgriffiths/Pyglet,oktayacikalin/pyglet,seeminglee/pyglet64,theblacklion/pyglet,oktayacikalin/pyglet,mammadori/pyglet,niklaskorz/pyglet,mammadori/pyglet