Fixed unable to download ECW due to spaces in the file names, added checksum caching for Task to make updating much faster for most games (IA with its mostly loose files doesn't gain anything and might even be slower... Consider not performing any verification for non-repair tasks?)

lib/worker/tasks/repair_application.rb

@@ -4,6 +4,9 @@ module W3DHubLauncher
       def setup
         super
 
+        # User requested a repair, make sure everything is as it should be!
+        @force_verification = true
+
         @task_verb = "Repairing".freeze
       end
     end