Added support for OPTIONS request type.

Signed-off-by: Konstantin Haase <konstantin.mailinglists@googlemail.com>

lib/sinatra/base.rb

@@ -1027,11 +1027,12 @@ module Sinatra
         route('HEAD', path, opts, &block)
       end
 
-      def put(path, opts={}, &bk);    route 'PUT',    path, opts, &bk end
-      def post(path, opts={}, &bk);   route 'POST',   path, opts, &bk end
-      def delete(path, opts={}, &bk); route 'DELETE', path, opts, &bk end
-      def head(path, opts={}, &bk);   route 'HEAD',   path, opts, &bk end
-
+      def put(path, opts={}, &bk);     route 'PUT',     path, opts, &bk end
+      def post(path, opts={}, &bk);    route 'POST',    path, opts, &bk end
+      def delete(path, opts={}, &bk);  route 'DELETE',  path, opts, &bk end
+      def head(path, opts={}, &bk);    route 'HEAD',    path, opts, &bk end
+      def options(path, opts={}, &bk); route 'OPTIONS', path, opts, &bk end
+      
     private
       def route(verb, path, options={}, &block)
         # Because of self.options.host
@@ -1363,7 +1364,7 @@ module Sinatra
       end
     end
 
-    delegate :get, :put, :post, :delete, :head, :template, :layout,
+    delegate :get, :put, :post, :delete, :head, :options, :template, :layout,
              :before, :after, :error, :not_found, :configure, :set, :mime_type,
              :enable, :disable, :use, :development?, :test?, :production?,
              :helpers, :settings

test/routing_test.rb

@@ -23,7 +23,7 @@ class RegexpLookAlike
 end
 
 class RoutingTest < Test::Unit::TestCase
-  %w[get put post delete].each do |verb|
+  %w[get put post delete options].each do |verb|
     it "defines #{verb.upcase} request handlers with #{verb}" do
       mock_app {
         send verb, '/hello' do