Pyfineract

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* test: Fix broken savings test (8f225b1)

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* feat: Add convenience methods to savings object (8bf3e3b)
* feat: Add savings object (273c9e9)
* build: Add util python file to simplify objects creation for API (0b8800a)

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* feat: Add methods for disbursing a loan application and undoing a loan disbursal (5181e8f)
* feat: Add methods for approving a loan application and undoing a loan application (592e85d)
* feat: Add method for deleting a loan application (1d55b2a)
* feat: Add loan application method to Loan object (5ee2bc5)
* feat: Add Note object (168cd79)

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* feat: Add method for fetching template to Loan object (f3e8454)

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* feat: Add convenience method to check if client is activated. (e7823fb)

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* feat: Add convenience method for checking if a loan is closed or not to Loan object (a63b0b6)