code: def has_values(self, name, tmin, tmax):
          
          return str(self.name) == str(name) and str(self.tmin) == str(tmin) and str(self.tmax) == str(tmax)
docs: A basic fit equality checker compares name and bounds of 2 fits
          @param: name -> name of the other fit
          @param: tmin -> lower bound of the other fit
          @param: tmax -> upper bound of the other fit
          @return: boolean comaparing 2 fits