initial Rails 3 rewrite commit

completely rewritten for ActiveModel compatibility
uses ActiveModel EachValidator class as validator base class
simplifies :between by splitting into a :on_or_before and an :on_of_after
only :is_at option tested

Rakefile

@@ -0,0 +1,44 @@
+require 'rubygems'
+require 'rake/rdoctask'
+require 'rake/gempackagetask'
+require 'rubygems/specification'
+require 'rspec/core/rake_task'
+require 'lib/validates_timeliness/version'
+
+GEM_NAME = "active_enum"
+GEM_VERSION = ValidatesTimeliness::VERSION
+
+desc 'Default: run specs.'
+task :default => :spec
+
+desc "Run specs"
+RSpec::Core::RakeTask.new do |t|
+  t.pattern = "./spec/**/*_spec.rb" # don't need this, it's default.
+end
+
+desc "Generate code coverage"
+RSpec::Core::RakeTask.new(:coverage) do |t|
+  t.rcov = true
+  t.rcov_opts = ['--exclude', 'spec']
+end
+
+desc 'Generate documentation for plugin.'
+Rake::RDocTask.new(:rdoc) do |rdoc|
+  rdoc.rdoc_dir = 'rdoc'
+  rdoc.title    = 'ActiveEnum'
+  rdoc.options << '--line-numbers' << '--inline-source'
+  rdoc.rdoc_files.include('README')
+  rdoc.rdoc_files.include('lib/**/*.rb')
+end
+
+desc "install the gem locally"
+task :install => [:package] do
+  sh %{gem install pkg/#{GEM_NAME}-#{GEM_VERSION}}
+end
+
+desc "create a gemspec file"
+task :make_spec do
+  File.open("#{GEM_NAME}.gemspec", "w") do |file|
+    file.puts spec.to_ruby
+  end
+end