Support setting custom headers and request parameters

Release: v6.3.0

- Added support for property roles and metadata

Release: v6.2.0

- Added recommend-next-item-segments endpoint support
- Added `searchQuery` parameter support for composite recommendations

Release: v6.1.0

- Added support for `reqlExpressions` on recommended item segments

Release: v6.0.0

- Added support for the new Composite Recommendation endpoint
- Added new parameter `autoPresented` for Detail View and View Portion interactions
- Added new parameter `timeSpent` for View Portion interactions
- Added support for `reqlExpressions` on recommended items
- Added support for input classes
- Format code using `black`

Support ListScenarios endpoint

[FIX] Set Values overrides datetimes - fixes #9

Fix wheel at PyPI. Improve examples formatting.

Release: v5.0.0

- Support new Recommend Items to Item Segment endpoint
- Series API improvements:
	- Add Series endpoint creates associated Item for the Series automatically (based on the cascadeCreate parameter)
	- Breaking change: Remove From Series no longer requires the time parameter
- Removed deprecated Groups endpoints

Support Item Segmentations