=== 3.0.3 / 2009-08-14

* 1 minor enhancement:

  * Pulled #mass up from flog/flay

=== 3.0.2 / 2009-06-23

* 2 minor enhancements:

  * Pulled unique.rb from ParseTree to sexp_processor.
  * Switched to minitest.

=== 3.0.1 / 2009-01-20

* 3 minor enhancements:

  * Filled out README
  * Promoted file/line/comments from ruby_parser.
  * Added sexp_type to compliment sexp_body.

=== 3.0.0 / 2008-10-22

* 2 major enhancements:

  * Released as its own project, splitting from ParseTree
  * Added Environment to SexpProcessor and built it in. YAY!

* 6 minor enhancements:

  * Allowed CompositeSexpProcessor to be more ducktypey.
  * Refactored Sexp#method_missing into find_node and find_nodes.
  * Removed Sexp#for and other PT specific code.
  * SexpProcessor#process now runs rewriters before everything else.
  * SexpProcessor#rewrite context only for subs, EMPTY for top level rewrites.
  * SexpProcessor#rewrite will stop iterating if the result isn't another Sexp.
