Add a basic ocaml-pcre wrapper
Add a basic ocaml-pcre wrapper

avsm/ocaml-re,Drup/ocaml-re,avsm/ocaml-re,dsheets/ocaml-re,dsheets/ocaml-re,bfops/ocaml-re,bfops/ocaml-re,dsheets/ocaml-re,bfops/ocaml-re,Drup/ocaml-re