I am new to Drools.  Are there any documents that detail the upgrade from 2.1 to 3.0  or to 4.0.7?  In the 4.0.7 documents, there are good descriptions of upgrading from 3.0 to 4.0.7 and also many examples.  Is there any examples that use org.drools.decisiontable.parser.xls?

Thanks,

Hong