28/04/2014 - only members with mobile phone number will now be selected (ticked) and therefore ready for inclusion in SMS messages. Members without mobile phone number will now be stripped out of SMS send even if selected manually.
24/04/2014 - 'Include Archived' button now toggles to include / exclude archived member details
24/04/2014 - selected filter button is now highlighted
22/04/2014 - a member can no longer be added to a Label more than once