Pydantic

* allow Python date and times objects [122](https://github.com/pydantic/pydantic/pull/122)

* fix direct install without `README.rst` present

* errors for invalid validator use
* safer check for complex models in `Settings`

* prevent duplicate validators, [101](https://github.com/pydantic/pydantic/pull/101)
* add `always` kwarg to validators, [102](https://github.com/pydantic/pydantic/pull/102)

* assignment validation [94](https://github.com/pydantic/pydantic/pull/94), thanks petroswork!
* JSON in environment variables for complex types, [96](https://github.com/pydantic/pydantic/pull/96)
* add `validator` decorators for complex validation, [97](https://github.com/pydantic/pydantic/pull/97)
* depreciate `values(...)` and replace with `.dict(...)`, [99](https://github.com/pydantic/pydantic/pull/99)

* add `UUID` validation [89](https://github.com/pydantic/pydantic/pull/89)
* remove `index` and `track` from error object (json) if they're null [90](https://github.com/pydantic/pydantic/pull/90)
* improve the error text when a list is provided rather than a dict [90](https://github.com/pydantic/pydantic/pull/90)
* add benchmarks table to docs [91](https://github.com/pydantic/pydantic/pull/91)