fix simple array

lib/sof/occurence.rb

@@ -1,9 +1,9 @@
 module Sof
 
   class Occurence
-    def initialize object , level , number
-      @number = number
+    def initialize object , number , level
       @object = object
+      @number = number
       @level = level
     end
     attr_reader   :object , :number