Update pyglet from 1.2.4 to 1.3.0

requirements.txt

 numpy==1.13.3
 psutil==5.4.1
 py==1.5.2
-pyglet==1.2.4
+pyglet==1.3.0
 pyparsing==2.2.0
 pytest==3.2.3
 pytest-cov==2.5.1