Removed Test::Unit task from Rakefile.

$LOAD_PATH.unshift File.expand_path("../lib", __FILE__)

require 'rake/testtask'

Rake::TestTask.new(:test) do |test|

  test.pattern = 'test/**/tc_*.rb'

  test.verbose = true

end

require 'spec'

require 'spec/rake/spectask'

Spec::Rake::SpecTask.new(:spec) do |spec|

  spec.spec_files = FileList["spec/**/*_spec.rb"]

end

task :all_tests => [:test, :spec]

task :default => :all_tests

task :default => :spec