Comment #9 on issue 606 by jannik.l...(a)gmail.com: FAMIXPackage>>methods is
wrong
http://code.google.com/p/moose-technology/issues/detail?id=606
hum, that is the point of the discussion :)
When I browse a mooseModel, childNamedEntities contains all methods of the
packages. And we do not need to access the class to obtain them.