def colourize(str)
     ''.tap { |res| Tokenizer.tokenize(str.to_s) { |token, value|
        res << colourize_string(value, colours[token])
      } }
    rescue => err
      Brice.error(self, __method__, err)
      str
    end
def colourize(str)
     ''.tap { |res| Tokenizer.tokenize(str.to_s) { |token, value|
        res << colourize_string(value, colours[token])
      } }
    rescue => err
      Brice.error(self, __method__, err)
      str
    end
Colourize the results of inspect