Returns all the properties of the features layer (iterator)
        @rtype: L{Cproperty}
        @return: list of properties

def get_properties(self):
        """
        Returns all the properties of the features layer (iterator)
        @rtype: L{Cproperty}
        @return: list of properties
        """
        if self.features_layer is not None:
            for property in self.features_layer.get_properties():
                yield propertyfound_entities.get(mention.string)