Removed hasattr check in Model.__init__

The check did not work correctly with @property attributes

ldapalchemy/model.py

@@ -125,8 +125,6 @@ class Model:
 	def __init__(self, **kwargs):
 		self.ldap_object = core.Object()
 		for key, value, in kwargs.items():
-			if not hasattr(self, key):
-				raise Exception()
 			setattr(self, key, value)
 
 	@property