Pyoffers

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Added
~~~~~

- New related managers ``Offer.files`` and ``Affiliate.files``. (`Stranger6667`_)
- Support for ``CreativeCode`` in ``contains`` list. (`Stranger6667`_)
- ``get_offer_files_with_creative_code`` method for ``Affiliate`` and ``Offer`` models. (`Stranger6667`_)

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Added
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- Support managing of ``OfferFile`` objects. (`iamanikeev`_)

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Fixed
~~~~~

- Initialization of singular objects from API calls. (`iamanikeev`_)

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Added
~~~~~

- Introduce ``Application`` model. (`iamanikeev`_)
- Support managing of ``OfferCategory`` objects. (`iamanikeev`_)

Fixed
~~~~~

- Initialization of array of objects from API calls. (`iamanikeev`_)

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Added
~~~~~

- Support ``blockAffiliate`` method. (`iamanikeev`_)
- Add ``Affiliate`` and ``AffiliateUser`` models. (`iamanikeev`_)
- Recreate session in case of ConnectionReset errors. (`iamanikeev`_)

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Added
~~~~~
- Added ``fields`` parameter. `34`_
- Added retrying support on rate limit exceeding. `43`_
- Added type checks for calls parameters. `51`_
- Added ``conversions`` manager for ``Offer`` instances. `48`_

Changed
~~~~~~~

- Better exceptions representation. `52`_

Fixed
~~~~~

- Fixed credentials cleaning for non gzipped content. `45`_