v1.7

Introducing off-cycle payments and tasks. You can now create off-cycle payments for contractors. We also added the endpoints to create, review and delete tasks for pay-as-you-go task-based contracts.

The full list of changes in this version is:

1. Create off-cycle payments.
2. List off-cycle payments.
3. List tasks.
4. Create a task.
5. Review task(s).
6. Delete a task.