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- Fix issue 60, preview with 127.0.0.1
- Add ``page`` variable, `doc <http://simiki.org/docs/variables.htmlindex-variables>`_
- Add ``category`` settings in _config.yml
- Add ``collection`` and ``tag``, a three-tier structure, `doc <http://simiki.org/docs/collection_and_tag.html>`_
- Add new theme simple2, with collection/tag support