Give a name to the background thread

Author: byroot

lib/timeout.rb

@@ -120,6 +120,7 @@ def self.create_timeout_thread
         requests.reject!(&:done?)
       end
     end
+    watcher.name = "Timeout stdlib thread"
     watcher.thread_variable_set(:"\0__detached_thread__", true)
     watcher
   end