Add space between number and "more" (#339)

Previously you would see something like "a, b, c and 4more". This adds a space between before "more".

Author: sodaplayer

core/CodeLens.re

@@ -7,7 +7,7 @@ let sepList = items =>
     String.concat(", ", Belt.List.take(items, 3) |? [])
     ++ " and "
     ++ string_of_int(List.length(items) - 3)
-    ++ "more";
+    ++ " more";
 
 
 let forOpen = (tracker: SharedTypes.openTracker) => {
@@ -52,4 +52,4 @@ let forOpens = (extra: SharedTypes.extra) => {
 
     (parts == [] ? "Unused open" : string_of_int(List.length(items)) ++ " uses. " ++ String.concat(" ", parts), tracker.ident.loc)
   });
-};
+};