add alias CCString.split (close #115)

src/core/CCString.cppo.ml

@@ -402,6 +402,8 @@ let split_on_char c s: _ list =
     s = split_on_char ' ' s |> String.concat " ")
 *)
 
+let split = Split.list_cpy
+
 let compare_versions a b =
   let of_int s = try Some (int_of_string s) with _ -> None in
   let rec cmp_rec a b = match a(), b() with

src/core/CCString.mli

@@ -499,6 +499,10 @@ val split_on_char : char -> string -> string list
 (** Split the string along the given char
     @since NEXT_RELEASE *)
 
+val split : by:string -> string -> string list
+(** Alias to {!Split.list_cpy}
+    @since NEXT_RELEASE *)
+
 (** {2 Utils} *)
 
 val compare_versions : string -> string -> int