hexp.rb in hexp-0.4.3

- old
+ new

@@ -2,11 +2,10 @@
 require 'forwardable'
 require 'pathname'
 
 require 'nokogiri'
 require 'sass'
-require 'adamantium'
 require 'equalizer'
 require 'concord'
 
 module Hexp
   ROOT = Pathname(__FILE__).dirname.parent
@@ -124,5 +123,6 @@
 
 require 'hexp/h'
 
 require 'hexp/builder'
 require 'hexp/unparser'
+require 'hexp/mutable_tree_walk'