Visualizes the current state

def printer(self):
        """Visualizes the current state"""
        for key in self.statediag:
            if key.trans is not None and len(key.trans) > 0:
                print '****** ' + repr(key.id) + '(' + repr(key.type)\
                      + ' on sym ' + repr(key.sym) + ') ******'
                print key.trans