v4.2.0 - Support for class namespaced API and distance metrics

New Features

• Introduce prepare release script by @antas-marcin in #78
• Update /objects endpoints to include class name in path by @parkerduckworth in #79
• ClassName namespaced endpoints for references and beacons by @antas-marcin in #81
• Support distance as user-facing similarity metric by @parkerduckworth in #80
• Add support for objects's class parameter by @antas-marcin in #83
• Refreshes db version with live/ready requests by @antas-marcin in #84

Full Changelog: v4.1.0...v4.2.0