Force increasing Range to keep the same behaviour as with earlier elixir versions (#276)

Co-authored-by: Alexandre Costa <alexandrecosta@apple.com>

Author: alexandremcosta

lib/mongo/id_server.ex

@@ -40,7 +40,7 @@ defmodule Mongo.IdServer do
 
   def handle_info(:reset_counters, last_reset) do
     new_reset = opposite_on_window(:calendar.universal_time())
-    :ets.insert(@name, gen_counters((last_reset + 1)..new_reset))
+    :ets.insert(@name, gen_counters((last_reset + 1)..new_reset//1))
     Process.send_after(self(), :reset_counters, @reset_timer)
 
     {:noreply, new_reset}