v1.2.1

Fixes issue with GET API requests.

v1.2.0

• Added a headers parameter for Events.send() and Transactional.send(), enabling support for the Idempotency-Key header.
• Added test suite and a tests for Events and Transactional classes.

v1.1.0

Added support for new List transactionals endpoint with Transactional.list().

v1.0.0

• JSON from API errors is now accessible from the APIError class.
• Added support for two new contact property endpoints: ContactProperties.create() and ContactProperties.list().
• Deprecated and removed the CustomFields.list() method (you can now use ContactProperties.list() instead).

v0.2.0

Added rate limit handling with RateLimitError.

v0.1.2

Support for resetting contact properties with nil.

v0.1.1

Added ApiKey.test method for testing API keys.

v0.1.0

Initial release