v3.1.4 Fix bug with dates supplied as strings. Test all encodings in CI.
Merge pull request #434 from JamesParrott/Test_all_supported_encodings v3.1.4. Fix bug with dates supplied as strings & CI test all encodings
Merge pull request #434 from JamesParrott/Test_all_supported_encodings v3.1.4. Fix bug with dates supplied as strings & CI test all encodings