Gil's samples

Eric's added tests for both versions of command handlers:

        Revision: 11697
                  http://sourceforge.net/p/oorexx/code-0/11697
        Author:   erich_st
        Date:     2019-01-28 16:43:42 +0000 (Mon, 28 Jan 2019)

            main/trunk/testbinaries/orxfunction.cpp
            test/trunk/ooRexx/API/oo/FUNCTION.testGroup


