Rename Interpreter class as Worker

lib/producer/core.rb

@@ -14,7 +14,6 @@ require 'producer/core/condition'
 require 'producer/core/condition/dsl'
 require 'producer/core/env'
 require 'producer/core/errors'
-require 'producer/core/interpreter'
 require 'producer/core/recipe'
 require 'producer/core/recipe/dsl'
 require 'producer/core/remote'
@@ -23,3 +22,4 @@ require 'producer/core/remote/fs'
 require 'producer/core/task'
 require 'producer/core/task/dsl'
 require 'producer/core/version'
+require 'producer/core/worker'

lib/producer/core/cli.rb

@@ -28,7 +28,7 @@ module Producer
         @stdout     = stdout
       end
 
-      def run(worker: Interpreter.new)
+      def run(worker: Worker.new)
         load_recipe
         worker.process recipe.tasks
       end

lib/producer/core/worker.rb

@@ -1,6 +1,6 @@
 module Producer
   module Core
-    class Interpreter
+    class Worker
       def process(tasks)
         tasks.each { |t| process_task t }
       end