Version 1.11.3

Ensure to use `notification center v1.7` with `contao haste v5` to fix formatting problems leading to abortion of email sending.

Version 1.11.2

- fix unnecessary name of icon column
- fix non transformed email tokens

Version 1.11.1

- Fix the backend icon
- Fix the composer dependencies

Version 1.11.0

- added parameterization of colors to be color blind friendly (see #28)
- added CSS for more space for the action buttons (see #25)
- added sending mails via notification center (exclusively) (see #1)

Version 1.10.0

- added sending an email, when test result changes to OKAY again (see #14)
- added setting defaults for test circulation parameters (see #19)
- added mailing deactivation for each monitored entry (see #24)

Version 1.9.3

- Ensured correct default values for `NOT NULL` database fields (see #18)

Version 1.9.2

- fixed missing `data-icon` definition in DCA for icon toggle

Version 1.9.1

- fixed error with logging in debug mode (see #21)

Version 1.9.0

- Preparation for Client use (see #10)
- extracted user agent name for global use
- replaced $GLOBALS['TL_CONFIG'] access with \Config::get()
- devided storeUrl function into deleteLastTestValues and prepareUrl to provide better reusage possibilities

Version 1.8.2

- Fix bug when loading language files in Contao 4 (see #20)