use path.realpath()s for modeled.__path__
mobject.type: support inner 'meta' class of mobject derived class definition as additional metaclass base
ismodeledlist(), ismodeledlistclass()
ismodeleddict(), ismodeleddictclass()
ismodeledtuple(), ismodeledtupleclass()
modeled.property module-->subpackage

--HG--
rename : modeled/property.py => modeled/property/__init__.py
instancemember.__getitem__
property.list