Bugfix: set_many does not set key version

Use line blocks to preserve AUTHORS formatting.

Use line blocks to make sure that each entry in AUTHORS.rst appears on
its own line, as opposed to squished up in one paragraph.

Jf/delete many

RedisDummyCache

Clean up get_or_set.

Update import of importlib

Work around `RemovedInDjango19Warning`. Fixes #93

Docs

Unstable

Unstable