Kaybee

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Changes
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- Put some author references into the docs for testing. [Paul Everitt]
- Make "author" a reference label for the article system. [Paul Everitt]

Fix
~~~
- Querying by props wasn't working. [Paul Everitt]

Other
~~~~~
- WIP Let's make a release. [Paul Everitt]
- WIP Back to dev. [Paul Everitt]

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- WIP Let's make a release. [Paul Everitt]
- WIP Back to dev. [Paul Everitt]

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- WIP Let's make a release. [Paul Everitt]
- WIP Missed the egg part. [Paul Everitt]
- WIP Back to dev. [Paul Everitt]

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- WIP Let's release 0.1.6. [Paul Everitt]
- WIP Screwed up the package ref. [Paul Everitt]
- WIP Back to dev. [Paul Everitt]

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Changes
~~~~~~~
- References are now under a YAML node of ``references`` meaning you can
extend the references scheme without having to write new models and
thus make all-new types. [Paul Everitt]

Other
~~~~~
- WIP Let's release 0.1.5. [Paul Everitt]
- WIP Back to dev. [Paul Everitt]

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- WIP Let's make 0.1.4. [Paul Everitt]
- WIP Sigh, forgot to go back to dev. [Paul Everitt]