Updated CHANGELOG.
Updated CHANGELOG.

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