Type_utils: special handling for module types (#261)
Type_utils: special handling for module types (#261)

chriskonstad/merlin,neojski/merlin,rgrinberg/merlin,the-lambda-church/merlin,haselwarter/merlin,dra27/merlin,neojski/merlin,ocaml/merlin,fxfactorial/merlin,ocaml/merlin,rgrinberg/merlin,fxfactorial/merlin,dra27/merlin,fxfactorial/merlin,haselwarter/merlin,rgrinberg/merlin,neojski/merlin,chambart/merlin,ocaml/merlin,ocaml/merlin,dra27/merlin,chriskonstad/merlin,the-lambda-church/merlin,neojski/merlin,haselwarter/merlin,chambart/merlin,chambart/merlin,fxfactorial/merlin,dra27/merlin,haselwarter/merlin,the-lambda-church/merlin,rgrinberg/merlin,chambart/merlin