Auto close v1.9 changes: Added code to prevent occasional null condition error.
Auto close v1.8 changes: Updated PHP code so that 'setIsAutomated' code is correctly placed.
Auto close v1.7 changes: Removed maximum of 50 for the Limit in the options page.
Auto close v1.6 changes: If the Prefix ID in the options page is set to 0, then any existing thread prefix will remain as is.
Auto close v1.5 changes: Added Limit to options page.
Auto close v1.4 changes: Added Prefix ID to options page.
Auto close v1.3 changes: Fixed issue with Auto reply function.
Auto close v1.2 changes: Added "Auto reply" and "Starter username" to options page.
Auto close v1.1 changes: Now using finder for performing database queries.
