Add Crono.config

lib/crono/config.rb

@@ -8,4 +8,8 @@ module Crono
       self.schedule = Schedule.new
     end
   end
+
+  def self.config
+    Config.instance
+  end
 end

lib/crono/performer_proxy.rb

@@ -5,7 +5,7 @@ module Crono
     end
 
     def every(period, *args)
-      Config.instance.schedule.add(@performer, Period.new(period, *args))
+      Crono.config.schedule.add(@performer, Period.new(period, *args))
     end
   end