Move Engine#run up.

lib/ronin/recon/engine.rb

@@ -187,6 +187,19 @@ def start(task=Async::Task.current)
         end
       end
 
+      #
+      # The main recon engine event loop.
+      #
+      # @api private
+      #
+      def run
+        until (@value_status.empty? && @output_queue.empty?)
+          process(@output_queue.dequeue)
+        end
+
+        shutdown!
+      end
+
       #
       # Adds a worker class to the engine.
       #
@@ -422,19 +435,6 @@ def enqueue_value(value)
         enqueue_mesg(Message::Value.new(value))
       end
 
-      #
-      # The main recon engine event loop.
-      #
-      # @api private
-      #
-      def run
-        until (@value_status.empty? && @output_queue.empty?)
-          process(@output_queue.dequeue)
-        end
-
-        shutdown!
-      end
-
       #
       # Processes a message.
       #