Merge remote-tracking branch 'origin/master' into lua-plus-dict

Conflicts:
	src/box/lua/box.lua

src/box/lua/schema.lua

@@ -105,7 +105,6 @@ function box.schema.space.bless(space)
                 break
             end
             table.insert(range, v)
-            iterator_state, v = index:next(iterator_state)
         end
         return unpack(range)
     end
@@ -116,7 +115,6 @@ function box.schema.space.bless(space)
                 break
             end
             table.insert(range, v)
-            iterator_state, v = index:prev(iterator_state)
         end
         return unpack(range)
     end