docs: Fix error in changelog
tests: Merge BaseBackend and LocalBackend tests
Merge pull request #531 from jodal/feature/merge-base-backend-and-local-tests

tests: Merge BaseBackend and LocalBackend tests
manifest: pylintrc no longer exists, so don't include it in PyPI package
docs: Fix typo
Merging upstream changes in tidy-up-core
Merge branch 'tidy-up-core' into tracklist-provider
Merge branch 'tracklist-provider' into feature/playback-error-notify