Peewee

* Small refactor of some components used to represent expressions (mostly better names).
* Support for [Array fields](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#ArrayField) in postgresql.
* Added notes on [Proxy](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#proxy)
* Support for [Server side cursors](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#server-side-cursors) with postgresql.
* Code cleanups for more consistency.

Commits: https://github.com/coleifer/peewee/compare/2.1.3...2.1.4
Released 2013-08-05

* Added the ``sqlite_ext`` module, including support for virtual tables, full-text search, user-defined functions, collations and aggregates, as well as more granular locking.
* Manually convert data-types when doing simple aggregations - fixes issue 208
* Profiled code and dramatically increased performance of benchmarks.
* Added a proxy object for lazy database initialization - fixes issue 210

Commits: https://github.com/coleifer/peewee/compare/2.1.2...2.1.3
Released 2013-06-28

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Major rewrite, see notes here: http://docs.peewee-orm.com/en/latest/peewee/upgrading.html#upgrading