Returns whether or not this column exists within the list of columns
        for this schema.
        
        :return     <bool>

def hasColumn(self, column, recurse=True, flags=0):
        """
        Returns whether or not this column exists within the list of columns
        for this schema.
        
        :return     <bool>
        """
        return column in self.columns(recurse=recurse, flags=flags)