Load the catalog from file
        
        Parameters
        ----------
        path: str
            The path to the file

def load(self, path):
        """
        Load the catalog from file
        
        Parameters
        ----------
        path: str
            The path to the file
        """
        # Get the object
        DB = joblib.load(path)
        
        # Load the attributes
        self.catalog   = DB.catalog
        self.n_sources = DB.n_sources
        self.name      = DB.name
        self.history   = DB.history
        
        del DB