Beta release v0.4.1

BREAKING CHANGE

• To avoid conflict with other custom components, the domain has been changed from "pid_integration" to "pid_departures". If you update existing installation, please make sure to change the folder name in custom_components to "pid_departures" as well.

What's Changed

• Implementing callbacks by @dvejsada in #22

Full Changelog: v0.3.1...v0.4.1