plc.rb in ladder_drive-0.5.0

- old
+ new

@@ -23,5 +23,6 @@
 dir = File.expand_path(File.dirname(__FILE__))
 $:.unshift dir unless $:.include? dir
 
 # Use load instead require, because there are two emulator files.
 load File.join(dir, 'emulator/emulator.rb')
+load File.join(dir, 'raspberrypi/raspberrypi.rb')