bump gem version and fix bug where divide by zero occurs when therer are no queues

Author: edk

lib/resque/plugins/round_robin/round_robin.rb

@@ -10,7 +10,11 @@ def rotated_queues
       @n ||= 0
       @n += 1
       rot_queues = queues
-      rot_queues.rotate(@n % rot_queues.size)
+      if rot_queues.size > 0
+        rot_queues.rotate(@n % rot_queues.size)
+      else
+        rot_queues
+      end
     end
 
     def reserve_with_round_robin

lib/resque/plugins/round_robin/version.rb

@@ -1,7 +1,7 @@
 module Resque
   module Plugins
     module RoundRobin
-      VERSION = "0.0.1"
+      VERSION = "0.0.2"
     end
   end
 end