def addColor(self, level, text):
        '''addColor to the prompt (usually prefix) if terminal
        supports, and specified to do so'''
        if self.colorize:
            if level in self.colors:
                text = "%s%s%s" % (self.colors[level],
                                   text,
                                   self.colors["OFF"])
        return text
addColor to the prompt (usually prefix) if terminal
        supports, and specified to do so