- Use MIMEPart instead of Message when encrypting in PGP/MIME mode.
- Wrap text/plain messages in MIMEPart, instead of manipulating payloads
manually.
- Add a test for wrapping.
- Clean up PGP/MIME flow by using API instead of explicit/manual generation of
headers.
- Fix E2E test configuration for PGP/MIME case.
- Add first lacre.core unit tests.
- Add another Contract Test.