Fixed Jeweler to actually include the Engines stuff. D'oh.

Rakefile

@@ -18,6 +18,9 @@ begin
     s.email = "michael@intridea.com"
     s.homepage = "http://github.com/mbleigh/twitter-auth"
     s.description = "TwitterAuth is a Rails plugin gem that provides Single Sign-On capabilities for Rails applications via Twitter. Both OAuth and HTTP Basic are supported."
+s.files =  FileList["[A-Z]*", "{bin,generators,lib,spec,config,app,rails}/**/*"]
+    s.add_dependency 'schacon-git'
+
     s.authors = ["Michael Bleigh"]
     s.add_dependency('oauth', '>= 0.3.1')
     s.add_dependency('ezcrypto', '>= 0.7.2')

twitter-auth.gemspec

@@ -10,7 +10,7 @@ Gem::Specification.new do |s|
   s.description = %q{TwitterAuth is a Rails plugin gem that provides Single Sign-On capabilities for Rails applications via Twitter. Both OAuth and HTTP Basic are supported.}
   s.email = %q{michael@intridea.com}
   s.extra_rdoc_files = ["README.markdown"]
-  s.files = ["README.markdown", "VERSION.yml", "generators/twitter_auth", "generators/twitter_auth/templates", "generators/twitter_auth/templates/migration.rb", "generators/twitter_auth/templates/twitter_auth.yml", "generators/twitter_auth/templates/user.rb", "generators/twitter_auth/twitter_auth_generator.rb", "generators/twitter_auth/USAGE", "lib/twitter_auth", "lib/twitter_auth/controller_extensions.rb", "lib/twitter_auth/cryptify.rb", "lib/twitter_auth/dispatcher", "lib/twitter_auth/dispatcher/basic.rb", "lib/twitter_auth/dispatcher/oauth.rb", "lib/twitter_auth.rb", "lib/twitteresque", "spec/controllers", "spec/controllers/controller_extensions_spec.rb", "spec/controllers/sessions_controller_spec.rb", "spec/debug.log", "spec/fixtures", "spec/fixtures/config", "spec/fixtures/config/twitter_auth.yml", "spec/fixtures/factories.rb", "spec/fixtures/fakeweb.rb", "spec/fixtures/twitter", "spec/fixtures/twitter/account", "spec/fixtures/twitter.rb", "spec/models", "spec/models/twitter_auth", "spec/models/twitter_auth/basic_user_spec.rb", "spec/models/twitter_auth/generic_user_spec.rb", "spec/models/twitter_auth/oauth_user_spec.rb", "spec/schema.rb", "spec/spec.opts", "spec/spec_helper.rb", "spec/twitter_auth", "spec/twitter_auth/cryptify_spec.rb", "spec/twitter_auth/dispatcher", "spec/twitter_auth/dispatcher/basic_spec.rb", "spec/twitter_auth/dispatcher/oauth_spec.rb", "spec/twitter_auth_spec.rb"]
+  s.files = ["Rakefile", "README.markdown", "VERSION.yml", "generators/twitter_auth", "generators/twitter_auth/templates", "generators/twitter_auth/templates/migration.rb", "generators/twitter_auth/templates/twitter_auth.yml", "generators/twitter_auth/templates/user.rb", "generators/twitter_auth/twitter_auth_generator.rb", "generators/twitter_auth/USAGE", "lib/twitter_auth", "lib/twitter_auth/controller_extensions.rb", "lib/twitter_auth/cryptify.rb", "lib/twitter_auth/dispatcher", "lib/twitter_auth/dispatcher/basic.rb", "lib/twitter_auth/dispatcher/oauth.rb", "lib/twitter_auth.rb", "lib/twitteresque", "spec/controllers", "spec/controllers/controller_extensions_spec.rb", "spec/controllers/sessions_controller_spec.rb", "spec/debug.log", "spec/fixtures", "spec/fixtures/config", "spec/fixtures/config/twitter_auth.yml", "spec/fixtures/factories.rb", "spec/fixtures/fakeweb.rb", "spec/fixtures/twitter", "spec/fixtures/twitter/account", "spec/fixtures/twitter.rb", "spec/models", "spec/models/twitter_auth", "spec/models/twitter_auth/basic_user_spec.rb", "spec/models/twitter_auth/generic_user_spec.rb", "spec/models/twitter_auth/oauth_user_spec.rb", "spec/schema.rb", "spec/spec.opts", "spec/spec_helper.rb", "spec/twitter_auth", "spec/twitter_auth/cryptify_spec.rb", "spec/twitter_auth/dispatcher", "spec/twitter_auth/dispatcher/basic_spec.rb", "spec/twitter_auth/dispatcher/oauth_spec.rb", "spec/twitter_auth_spec.rb", "config/routes.rb", "app/controllers", "app/controllers/sessions_controller.rb", "app/models", "app/models/twitter_auth", "app/models/twitter_auth/basic_user.rb", "app/models/twitter_auth/generic_user.rb", "app/models/twitter_auth/oauth_user.rb", "app/views", "app/views/sessions", "app/views/sessions/_login_form.html.erb", "app/views/sessions/new.html.erb", "rails/init.rb"]
   s.has_rdoc = true
   s.homepage = %q{http://github.com/mbleigh/twitter-auth}
   s.rdoc_options = ["--inline-source", "--charset=UTF-8"]
@@ -23,13 +23,16 @@ Gem::Specification.new do |s|
     s.specification_version = 2
 
     if Gem::Version.new(Gem::RubyGemsVersion) >= Gem::Version.new('1.2.0') then
+      s.add_runtime_dependency(%q<schacon-git>, [">= 0"])
       s.add_runtime_dependency(%q<oauth>, [">= 0.3.1"])
       s.add_runtime_dependency(%q<ezcrypto>, [">= 0.7.2"])
     else
+      s.add_dependency(%q<schacon-git>, [">= 0"])
       s.add_dependency(%q<oauth>, [">= 0.3.1"])
       s.add_dependency(%q<ezcrypto>, [">= 0.7.2"])
     end
   else
+    s.add_dependency(%q<schacon-git>, [">= 0"])
     s.add_dependency(%q<oauth>, [">= 0.3.1"])
     s.add_dependency(%q<ezcrypto>, [">= 0.7.2"])
   end