Bug fixes

* Help updated
* PHPCS fixes

This release fixes a bug to display the subject line correctly.

Switches to Drupal path matching

Code cleanup, Coding standards / Drupal best practices fixes.

CHANGELOG

See the changelog.md file.

Update / Release Cycle

The 4.x branch is now currently the recommended branch for use in production websites.

Please always remember to only follow this upgrade process as this module is part of a distribution.

Fixed issue where testing module could not be enabled due to invalid YAML.