Configirl

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**Features and Improvements**

- add ``Config.get_value_for_lbd(prefix)`` method

**Minor Improvements**

**Bugfixes**

**Miscellaneous**

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**Features and Improvements**

- add ``Config.update_from_env_var(prefix)`` method

**Minor Improvements**

**Bugfixes**

**Miscellaneous**

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**Features and Improvements**

- add ``ignore_na`` arg for ``Config.to_dict()`` method.
- add ``prefix`` arg for ``Config.to_dict()`` method.
- enrich error information when encounter ``ValueNotSetError``.
- add lots of detect runtime class method.
- add ``Field.get_value_from_env(prefix)`` method to allow you to get value from environment variables.

**Minor Improvements**

- add use case document.

**Bugfixes**

**Miscellaneous**

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**Bugfixes**

- ``json_dumps(...)`` remains the order of the keys.
- ``to_cloudformation_config_data(...)`` use OrderedDict rather than dict

**Miscellaneous**

- more docs

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**Minor Improvements**

Better Document

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- First release