'Unclamps the layer \'layername\'.
Most useful when called just after calling the constructor.'

def UnclampLayer(self, layername):

    for l in self.net.layer:
        if (l.name == layername):
            print ('Unclamping    %s' % layername)
            l.is_input = False
            self.unclamped_layer.append(l.name)
