model.rb in pione-0.2.0

- old
+ new

@@ -12,19 +12,17 @@
 require 'pione/model/feature-expr'
 require 'pione/model/variable'
 require 'pione/model/variable-table'
 require 'pione/model/data-expr'
 require 'pione/model/parameters'
-require 'pione/model/package'
+require 'pione/model/package-expr'
 require 'pione/model/ticket-expr'
 require 'pione/model/rule-expr'
-require 'pione/model/binary-operator'
 require 'pione/model/message'
 require 'pione/model/call-rule'
 require 'pione/model/assignment'
 require 'pione/model/block'
 require 'pione/model/constraints'
-require 'pione/model/rule'
 
 module Pione
   # Model is a name space for all PIONE models.
   module Model
 