BTR 2.0 - Jan 18, 2010 8:19:23 PM
BTR 3.0 - Aug 02, 2010 7:54:3 PM
BTR 3.1 (Feb 2011) - Feb 21, 2011 9:8:29 PM
BTR 4.* (2012-13) - Oct 02, 2014 8:33:49 AM