Bug report with dynamic

Dear Sébastien,

going through dynamic, I'm really impressed. (I can learn a lot of stuff 
from you). Although I still did no tests, here what seems a bug to me:

When I do the following, I get an error (CVS version):

 >>> from Modeling.PyModel import Model, Entity, AString
 >>> from Modeling import dynamic
 >>> m=Model("TheModel")
 >>> e=Entity("Person",properties=[AString("name")]
 >>> m.entities.append(e)
 >>> dynamic.build(m)
Traceback (most recent call last):
  File "<interactive input>", line 1, in ?
  File "C:\prg\python23\Lib\site-packages\Modeling\dynamic.py", line 
153, in build
    module_name=model.packageName()
TypeError: 'str' object is not callable

May be this is not  a bug? The: m=Model("TheModel")   should create an 
empty model.

With regards,
Erny