fix binary code mixup

mixed get_word with get_internal_word

lib/parfait/binary_code.rb

@@ -25,8 +25,8 @@ module Parfait
     end
     def each_word
       index = 1
-      while( index < 14)
-        yield get_internal_word(index)
+      while( index <= data_length)
+        yield get_word(index)
         index += 1
       end
     end