Version 1.03

* [26 Feb 2013] Changed to compile with Camlp5

Version 1.02

* [05 Jul 2007] Adapted for Camlp4s 4.02

Version 1.01

* [08 Sep 2006] Made "diff.mli" and "diff.ml", diff library.
* [08 Sep 2006] Added LICENCE

Version 1.00

* [12 May 2006] First distributed version