Use the new optional argument to endRequest in the middleware
Currently endRequest is called twice on an exception if Django
intercepts the exception and returns it's own result. By setting
optional=True we do not crash on 'assert self.in_request'.
# use glob syntax.
syntax: glob
*.pyc
*.zip
*~
.project
.pydevproject
app.yaml
build
tests/coverageResults
*,cover
tests/.coverage
*.git
*.egg-info
eggs
parts
.installed.cfg
bin
develop-eggs
.gitignore
.DS_Store
.settings