0.4.1

• Add types.py back in for DatetimeType

0.4.0

• Add list subscription users to README
• Add cancel subscription endpoint
• Remove variable type hints as they are not supported by python 3.5

Internal

• Fix up refund_payment tests with pytest.mark.skip

0.3.0

• Use correct 'is not None' comparison
• Add Create plan
• Better type hints
• Add list subscription users endpoint

Internal

• Add refund_payment and note about mocked test
• Make sure pytest-mock is installed for tox tests
• Add generate_license_mocked test
• Add mock tests along side manual_cleanup tests
• Send datetime and date to validators in normal test run
• Use datetime.now instead of uuid in tests
• Update CONTRIBUTING with manual_cleanup info

0.2.0

• More type hints
• Add list transactions API
• Fix bug where all falsey values were getting remove from JSON
• Add refund payment endpoint

0.1.0

Add warning when using relative URLS and ValueError when it's not a P…