Docusign-esign

Changed
* The SDK now supports version v20.1.00 of the DocuSign eSignature API.
* SDK Release Version updated.

Changed
* Changed the way the model takes in the parameters where the size of the parameters exceeded 255 arguments, now works with python3 versions which were limiting it. (DCM-3701)
Fixed
* A bug in deserialize file with the same name, if downloaded multiple times on different thread or during parallel processing, wrong files are overwritten or served. (DCM-3631)
* Unit test updated to handle delays in moving Envelopes.
* Changed the return type of model to `TemplateInformation` to fix deserialization.

Changed
* Changed the way the model takes in the parameters where the size of the parameters exceeded 255 arguments, now works with python3 versions which were limiting it. (DCM-3701)
Fixed
* A bug in deserialize file with the same name, if downloaded multiple times on different thread or during parallel processing, wrong files are overwritten or served. (DCM-3631)
* Unit test updated to handle delays in moving Envelopes.
* Changed the return type of model to `TemplateInformation` to fix deserialization.

Changed
* Updated the way the models and classes are initialized. Now using constructor parameters to initialize the classes. Updates to unit tests. (DCM-1788)
Fixed
* A bug in model mapping where instead of mapping to custom DocuSign `Date` class, was mapping to python `date` class. Causing the functions such as `envelope_api.list_tabs()` to raise exception. (DCM-3102)
BREAKING
* The SDK now supports API v2.1-19.2.02 of the DocuSign eSignature API.
* SDK Release Version updated.

Changed
* Updated the way the models and classes are initialized. Now using constructor parameters to initialize the classes. Updates to unit tests. (DCM-1788)
Fixed
* A bug in model mapping where instead of mapping to custom DocuSign `Date` class, was mapping to python `date` class. Causing the functions such as `envelope_api.list_tabs()` to raise exception. (DCM-3102)
BREAKING
* The SDK now supports API v2.1-19.2.02 of the DocuSign eSignature API.
* SDK Release Version updated.

Removed
* Removed harcoded test config values from the test cases. Now getting test config values from the environment variables.
Changed
* Made dependencies versions broader (using '>=' to specify minimum supported versions).