property "excludeFiles" exists in group, not in product.
i also hadn't found something like
 product += PropertyDeclaration("excludeFiles", 
in loader.cpp
Adding that line manualy don't help. 
property "excludeFiles" exists in group, not in product.
i also hadn't found something like
 product += PropertyDeclaration("excludeFiles", 
in loader.cpp
Adding that line manualy don't help.