Implemented the io.Writer interface

Context.go

@@ -26,6 +26,7 @@ type Context interface {
 	ResponseHeader(key string) string
 	Status(status int) Context
 	String(string) error
+	Write([]byte) (int, error)
 }
 
 // ctx represents a request & response context.
@@ -142,6 +143,11 @@ func (ctx *ctx) String(body string) error {
 	return ctx.Bytes(slice)
 }
 
+// Write implements the io.Writer interface.
+func (ctx *ctx) Write(body []byte) (int, error) {
+	return ctx.response.Write(body)
+}
+
 // addParameter adds a new parameter to the context.
 func (ctx *ctx) addParameter(name string, value string) {
 	ctx.paramNames[ctx.paramCount] = name