SwiftProtobuf 1.3.0 Release
- SwiftPM Updates to be in better shape for Swift 5. (#819, #824)
- Code updates for Swift 5 being more strict about some things (#808, #809)
- Avoid generating code that doesn't compile when enum case aliases have naming collisions in their Swift forms (#822)
- Drop support for Swift <=3.1 since 4.2 has been the current GM for a while now. (#825)