v4.0.0

Changes

🚨 Breaking Changes

• Default timeout for container.stop()changed from 10s to 0.
• Starting a KafkaContainer now returns an instance of a StartedKafkaContainer, which when stopped, shuts down any self-managed networks/zoo keeper containers.

🚀 Features

• Use moby-ryuk for auto cleanup of resources on unexpected exit @cristianrgreco (#121)