Procountor

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* up version number to test new release process

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* Don't send empty json body in get requests
* fixes problem with azure api gateway rejecting messages
* remove travis

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* Better API Token error message if getting token fails

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* Support for new API urls
* latest
* supported (Default)
* Special version >= 20.02 - not yet new functionalities.

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* Support to use a specified version of Procountor API

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* Version 1.0.0 is compatibled with Procountor API version 10.
* Returns response as dict with keys: status, message and data