0.8.3.1 Sort members by state and name. Send notice message to unpaid members only. If event is already noticed state, send notice message by email to recipients as BCC. minor bug fixes. 0.7.6.1 Fixed some minor bugs. 0.7.6.0 Support negative number on payment for some special case like support from dues. 0.7.5.1 Fix minor bug on unexpected process termination. 0.7.5 Correct start/end date of event automatically when user modified event's start/end time and start time is later than end time.