Added convenient shortcut for OPTIONS

router.go

diff --git a/router.go b/router.go
index 8fa9520..5172c89 100644
--- a/router.go
+++ b/router.go
@@ -178,6 +178,11 @@
 	r.Handle("HEAD", path, handle)
 }
 
+// OPTIONS is a shortcut for router.Handle("OPTIONS", path, handle)
+func (r *Router) OPTIONS(path string, handle Handle) {
+	r.Handle("OPTIONS", path, handle)
+}
+
 // POST is a shortcut for router.Handle("POST", path, handle)
 func (r *Router) POST(path string, handle Handle) {
 	r.Handle("POST", path, handle)

router_test.go

diff --git a/router_test.go b/router_test.go
index 75d2dfc..835caf0 100644
--- a/router_test.go
+++ b/router_test.go
@@ -76,7 +76,7 @@
 }
 
 func TestRouterAPI(t *testing.T) {
-	var get, head, post, put, patch, delete, handler, handlerFunc bool
+	var get, head, options, post, put, patch, delete, handler, handlerFunc bool
 
 	httpHandler := handlerStruct{&handler}
 
@@ -87,6 +87,9 @@
 	router.HEAD("/GET", func(w http.ResponseWriter, r *http.Request, _ Params) {
 		head = true
 	})
+	router.OPTIONS("/GET", func(w http.ResponseWriter, r *http.Request, _ Params) {
+		options = true
+	})
 	router.POST("/POST", func(w http.ResponseWriter, r *http.Request, _ Params) {
 		post = true
 	})
@@ -118,6 +121,12 @@
 		t.Error("routing HEAD failed")
 	}
 
+	r, _ = http.NewRequest("OPTIONS", "/GET", nil)
+	router.ServeHTTP(w, r)
+	if !head {
+		t.Error("routing OPTIONS failed")
+	}
+
 	r, _ = http.NewRequest("POST", "/POST", nil)
 	router.ServeHTTP(w, r)
 	if !post {