Adds basic makefile

.gitignore

@@ -0,0 +1 @@
+/cover.out

Makefile

@@ -0,0 +1,9 @@
+all: build check
+
+build:
+	go build
+
+check:
+	go test -coverprofile=cover.out -covermode=count
+	go vet
+#	golint

response_writter.go

@@ -40,7 +40,7 @@ func (rw *responseWriterImpl) Write(data []byte) (int, error) {
 
 func (rw *responseWriterImpl) WriteHeader(status int) {
 	if status <= 0 {
-		panic(fmt.Sprintf("Invalid providen http status: %s", status))
+		panic(fmt.Sprintf("Invalid providen http status: %d", status))
 	}
 
 	rw.status = status