Yapconf

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* Fixed an issue with environment loading (74)
* Fixed an issue with watching in-memory dictionaries (75)

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* Fixed an issue where utf-8 migrations would break (46)
* Added support for etcd (47)
* Added support for kubernetes (47)
* Added support for fallbacks for config values (45)
* Added the ability to generate documentation for your configuration (63)
* Added config watching capabilities (36)

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* Flattened configs before loading (54)
* Fixed bug where the ``fq_name`` was not correctly set for complex objects
* Added ``dump_kwargs`` to ``migrate_config`` (53)
* Better error message when validation fails (55)
* Made all argparse items optional (42)
* Added support for ``long_description`` on config items (44)
* Added support for ``validator`` on config items (43)

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* Fixed Python2 unicode error (41)

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* Fixed Python2 compatibility error (35)

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* Added item to YapconfItemNotFound (21)
* Removed pytest-runner from setup_requires (22)