Deliveries API

Added support for Uber Deliveries API - https://developer.uber.com/docs/deliveries/introduction
Deliveries API lets you and your customer track the exact location of your delivery from any device.

• GET /deliveries --> client.deliveries.list(params)
• POST /deliveries --> client.deliveries.add_delivery(params)
• POST /deliveries/quote --> client.deliveries.add_quote(params)
• GET /deliveries/{delivery_id} --> client.deliveries.retrieve(delivery_id)
• GET /deliveries/{delivery_id}/receipt --> client.deliveries.receipt(delivery_id)
• GET /deliveries/{delivery_id}/ratings --> client.deliveries.ratings(delivery_id)
• POST /deliveries/{delivery_id}/ratings --> client.deliveries.add_rating(delivery_id)
• GET /deliveries/{delivery_id}/rating_tags --> client.deliveries.rating_tags
• POST /deliveries/{delivery_id}/cancel --> client.deliveries.cancel(delivery_id)
• GET /deliveries/regions --> client.deliveries.regions