This is a general maintenance release.
- Don't make max line length depend on line break format
- Improve Travis-CI config - thanks to Filippo Tessarotto
- Match SendGrid transaction IDs
idnSupported()now static, as previously documented- Improve error messages for invalid addresses
- Improve Indonesian translation (thanks to @januridp)
- Improve Esperanto translation (thanks to @dknacht)
- Clean up git export ignore settings for production and zip bundles
- Update license doc
- Updated upgrading docs
- Clarify
addStringEmbeddedImagedocs - Hide auth credentials in all but lowest level debug output, prevents leakage in bug reports
- Code style cleanup