Refactor the CachedTemplate so that the render method does not have to use 'this'.
Refactor the CachedTemplate so that the render method does not have to use 'this'.

mjumbewu/django-jstemplate,bopo/django-jstemplate,mjumbewu/django-jstemplate,bopo/django-jstemplate,bopo/django-jstemplate,mjumbewu/django-jstemplate