fixed: time specific auto responders sent only on Sundays causes sending the following to be way in the future
fixed: type in test bounce message
fixed: typo in subscriber query causes database error
fixed: PHP warning of undefined variable in option bar
added: unsubscribe link to in mail app unsubscribe message
added: filter mailster_campaign_meta_defaults to filter default meta values
added: defined wp_mail filters are now applied if used with Mailster
