Issue #1200: Add @FunctionalParameter to symtab
Issue #1200: Handle functional parameters when copying the parameter list for a class alias.
Issue #1200: Add @FunctionalParameter annotation to parameters which are functional parameters.
Issue #1200: Fixup for test which now features @FunctionalParameter
Issue #1200: Test
Issue #1200: Use the @FunctionalParameter annotation to determine whether we create a Method or a Value as the model of the parameter.