Merge pull request #64 from rainforestapp/RF-31082/pp/memoize-fix

[RF-31082] Fix memoization of failed job class in CustomWorker

Author: magni-

lib/queue_classic_plus/version.rb

@@ -1,3 +1,3 @@
 module QueueClassicPlus
-  VERSION = '4.0.0.alpha20'.freeze
+  VERSION = '4.0.0.alpha21'.freeze
 end

lib/queue_classic_plus/worker.rb

@@ -24,6 +24,7 @@ def handle_failure(job, e)
         force_retry = true
       end
 
+      @failed_job_class_memoized = false
       @failed_job = job
       @raw_args = job[:args]