9. The method of claim 1 wherein: the editing the first file comprises modifying, in the first file, text corresponding to the at least one behavior.
9. The method of claim 1 wherein: the editing the first file comprises modifying, in the first file, text corresponding to the at least one behavior. 10. The method of claim 9 wherein the modifying step comprises: identifying at least one parameter corresponding to the at least one behavior; locating, in the first file, a current value of each of the at least one parameter in the text corresponding to the at least one behavior; for each of said at least one parameter, receiving a new value; and for each of said at least one parameter, substituting, in the text corresponding to the at least one behavior, the new value for the current value, in the first file.