Expose the Ill_typed exception for pkgs using Merlin as a library.
Expose the Ill_typed exception for pkgs using Merlin as a library.

rgrinberg/merlin,rgrinberg/merlin,ocaml/merlin,dra27/merlin,ocaml/merlin,dra27/merlin,rgrinberg/merlin,ocaml/merlin,rgrinberg/merlin,dra27/merlin,dra27/merlin,ocaml/merlin