Updated Lacaml
Merge branch 'master' of https://github.com/OCamlPro/opam-repository
Updated pcre-ocaml
Updated postgresql-ocaml
Updated res
Merge branch 'master' of https://github.com/OCamlPro/opam-repository
Merge pull request #2930 from mmottl/master

Updates for better string handling with OCaml 4.02