v1.4.0

300 000 installs celebratory release!

• Add new DataTransformPlugin, ErrorHandlerTrait and TwigEnvironmentDecorator classes
• Refactor verbose mode to use custom error handler and provide better information
• Use \Twig\Node\Node::getTemplateLine() instead of deprecated \Twig\Node\Node::getLine()
• Use Drupal Render and Utility Component packages instead of own copies
• Update Drupal Attribute classes

Special thanks to @krisimmig for feedback and testing.