西门子授权软件v2012.07.18 add some info for PDM v6.1.
v2012.03.08 add some info for PCS7 v8.0.
v2012.02.26 add some info forWinCC Flexible 2008 SP3, Simatic Net v8.1. Fixed bug of euristic engine.
v2012.01.26 add some info for Simatic Net v8.1
14/05/2011 add some info for TIA Portal V11
