Merge pull request #1495 from m1lt0n/respond_to

fall back to standard implementation of respond_to? for data store

lib/resque/data_store.rb

@@ -61,7 +61,7 @@ def method_missing(sym,*args,&block)
 
     # make use respond like redis
     def respond_to?(method,include_all=false)
-      @redis.respond_to?(method,include_all)
+      @redis.respond_to?(method,include_all) || super
     end
 
     # Get a string identifying the underlying server.