Bump version to v0.3.3.

CHANGELOG.md

@@ -10,6 +10,13 @@ The format is based on [Keep a Changelog], and this project adheres to
 [keep a changelog]: https://keepachangelog.com/en/1.0.0/
 [semantic versioning]: https://semver.org/spec/v2.0.0.html
 
+## [0.3.3] - 2022-07-11
+
+### Fixed
+
+- Prevent rendering empty header value along real header values
+- Render all values for each header, not only the first
+
 ## [0.3.2] - 2022-07-08
 
 ### Changed

cmd/echo-server/main.go

@@ -267,7 +267,7 @@ func writeRequest(w io.Writer, req *http.Request) {
 }
 
 func printHeaders(w io.Writer, h http.Header) {
-	sortedKeys := make([]string, len(h))
+	sortedKeys := make([]string, 0, len(h))
 
 	for key := range h {
 		sortedKeys = append(sortedKeys, key)
@@ -276,6 +276,8 @@ func printHeaders(w io.Writer, h http.Header) {
 	sort.Strings(sortedKeys)
 
 	for _, key := range sortedKeys {
-		fmt.Fprintf(w, "%s: %s\n", key, h.Get(key))
+		for _, value := range h[key] {
+			fmt.Fprintf(w, "%s: %s\n", key, value)
+		}
 	}
 }