Move select tick time to 1ms rather than 100ms

lib/dnsruby/select_thread.rb

@@ -173,7 +173,7 @@ def do_select
         send_queued_exceptions
         send_queued_responses
         send_queued_validation_responses
-        timeout = tick_time = 0.1 # We provide a timer service to various Dnsruby classes
+        timeout = tick_time = 0.001 # We provide a timer service to various Dnsruby classes
         sockets, timeouts, has_observer = @@mutex.synchronize { [@@sockets.to_a, @@timeouts.values, !@@observers.empty?] }
         if (timeouts.length > 0)
           timeouts.sort!
@@ -221,7 +221,7 @@ def do_select
           # process_error(errors)
         end
         @@mutex.synchronize do
-          if (unused_loop_count > 10 && @@query_hash.empty? && @@observers.empty?)
+          if (unused_loop_count > 1000 && @@query_hash.empty? && @@observers.empty?)
             Dnsruby.log.debug("Try stop select loop")
 
             non_persistent_sockets = @@sockets.select { |s| ! @@socket_is_persistent[s] }