pep8 fixes for kivy/core/gl/__init__.py
pep8 fixes for kivy/core/spelling/*
pep8 fixes for kivy/core/audio/*
pep8 fixes for kivy/core/image/*
pep8 fixes for kivy/core/image/*
pep8 fixes for kivy/core/clipboard/*
pep8 fixes for kivy/core/window/*
pep8 fixes for kivy/graphics/__init__.py
pep8 fixes for kivy/storage/__init__.py
pep8 fixes for kivy/gesture.py
pep8 fixes for kivy/logger.py