top level function used to simply return the 
        ONE ACTUAL string used for data types

def find_type(self, txt):
        """
        top level function used to simply return the 
        ONE ACTUAL string used for data types
        """
        searchString = txt.upper()
        match = 'Unknown'
        for i in self.lst_type:
            if searchString in i:
                match = i
        return match