Removed assigned but never used total_len variable
Merge pull request #229 from humrochagf/master

Removed assigned but never used total_len variable
PEP8 reformatted __init__.py
PEP8 reformatted batch.py
PEP8 reformatted camera.py
PEP8 reformatted cocosnode.py
Merge branch 'pep8-cleanup' of https://github.com/humrochagf/cocos into pep8-cleanup