v1.5

Introducing Milestones. You can create, retrieve and delete milestones with Deel API. Additionally, You can sign the contracts and invite workers to sign the contracts.

The full list of changes in this version is:

1. Create a milestone.
2. Retrieve a list of milestones.
3. Delete a milestone.
4. Create a contract (pay-as-you-go task-based).
5. Create a contract (milestone based).
6. Sign a contract.
7. Invite a worker to sign the contract.
8. Added state codes to the country lookup.