fix: remove 204 return falsey & add default expressjs behavior on emp… (

#412)

* fix: remove 204 return falsey & add default expressjs behavior on empty-void return

* chore: update changelog for cant set headers

CHANGELOG.md

@@ -1,4 +1,5 @@
 # Changelog
+
 All notable changes to this project from 6.4.4 forward will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
@@ -12,17 +13,22 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+-   Fixed can't set headers after they are sent (#255 / #412)
+
 ## [6.4.7]
 
 ### Fixed
-- Updated `inversify` and `express` dependencies to be peer dependnecies as stated in the docs.
+
+-   Updated `inversify` and `express` dependencies to be peer dependnecies as stated in the docs.
 
 ## [6.4.4]
 
 ### Added
 
 ### Changed
-- Update dependencies (`minimist`, `json5`, `@babel/traverse`, `tough-cookie`, `ansi-regex`, `cookiejar`, `express`, `decode-uri-component`)
+
+-   Update dependencies (`minimist`, `json5`, `@babel/traverse`, `tough-cookie`, `ansi-regex`, `cookiejar`, `express`, `decode-uri-component`)
 
 ### Fixed
-- Change JsonContent to return object rather than string (#379 / #378)
+
+-   Change JsonContent to return object rather than string (#379 / #378)