Add metaclass and class for CEnumeration adoption.
Add metaclass and class for CEnumeration adoption.

orbitfold/tardis,Tobychev/tardis,orbitfold/tardis,orbitfold/tardis,orbitfold/tardis,Tobychev/tardis,kaushik94/tardis,Tobychev/tardis,kaushik94/tardis,kaushik94/tardis,kaushik94/tardis