fixing bugs introduced by last commit

mcutils.py

@@ -1193,7 +1193,7 @@ def dict2class(d,recursive=True,cleanNames=True):
   """Return a class that has same attributes/values and 
      dictionaries key/value
   """
-  
+  if not isinstance(d,dict): return None 
   #define a dummy class
   c = dropObject()
   for elem in d.keys():
@@ -1204,7 +1204,7 @@ def dict2class(d,recursive=True,cleanNames=True):
           key = "value%s" % elem
         except:
           pass
-      if recursive and (type(d[elem]) == types.DictType):
+      if recursive and isinstance(d[elem],dict):
         c.__dict__[key] = dict2class(d[elem])
       else:
         c.__dict__[key] = d[elem]