Std.List: add new functions
Std.List: add new functions

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