File Release Notes and Changelog

Initial public release.
a PEG parser which deals with left recursive rules in "native mode", 
that is, without modifying the specified grammar.
The LRTTparser handles mutual left recursives rules at any depth.
Provided with a demo which is a small calculator implementing 
John Backus FP language and showing all the parser features.
Caution, this is an Alpha release and have only been tested with 
Ocaml 3.10.2 on an Amd64 Linux box.