0.2.0-preview

[0.2.0-preview] - 2021-03-11

• fix: check null inspectedDirector during onClipChanged
• chore: depend on com.unity.film-internal-utilities@0.8.2-preview and rename assemblies
• chore: depend on com.unity.selection-groups@0.3.1-preview
• chore: make functions and classes to internal