v4.0

What's Changed

• v4: Bump all the versions by @lickel in #24
• Add Combine publishers by @lickel in #25
• Make sections identifiable by @lickel in #26
• Use system diff & remove simple-diff by @lickel in #27
• Maintain original insertion order by @lickel in #28
• Github Actions by @lickel in #29
• SwiftUI: Add some tests by @lickel in #30
• FetchRequest name by @lickel in #31
• Use combine publisher by @lickel in #32
• Fetch Requests v4 by @lickel in #23
• Podfile & readme updates by @lickel in #33
• Update license by @lickel in #34

Full Changelog: 3.2.0...4.0.0