Release Name: 0.4

Notes:



Changes:
* June 29th, 2007: Fourth public release 0.4.
  * Support for Ruby 1.8.6.
  * Support describe/it/before/after RSpec 1.0 syntax.
  * Allow should.raise { code_that_raises }
  * Add xcontext to disable complete contexts.
  * Backtraces are cleaner now.
  * Mention test/spec on Rails.
  * Fix small Gem bugs.
  * Fix bug related to counting negated assertions.
  * Fix bug in specrb.
  * Allow empty xspecifys.
  * Make SpecDox and RDox count empty specifications.
  * Allow Kernel#context to take a superclass.