0.8.1

What's Changed

• Include YAML path in validation errors by @GDYendell in #108
• Delete CHANGELOG by @GDYendell in #109
• Add better validation for ButtonPanel actions by @GDYendell in #110
• Fix validation of default SignalR.read_widget by @GDYendell in #112
• Use screen label as tab in phoebus by @GDYendell in #113

Full Changelog: 0.8...0.8.1