Add comment of return value into HelperFactory
Wrong appointmentId is a user error, no development error.
Refactor: Rename MyException to WrongUserInputException
Implement own LoremIpsum function (in HelperFactory).
HelperFactory: Indent.
HelperFactory: require_once(databaseConnect.php)
HelperFactory: Bugfix in E-Mail-Addesses.
Refactor: Rename MyException to WrongUserInputException
AddSubscription: Get Test to work :)
AddSubscription gets a smarty output template.
AddSubscriptionTest: Use "comment" field when subscribing.
Add test, so that Noone can subscribe twice for the same appointment. Not implemented yet.
Subscribing successful is shown to the user. Still undone tests waiting ...