Bohdan Kmit

@magiconair: We also need this facility for modifying response headers. And using logging formatting facility will allow send dynamic headers. IMHO: Headers modification need to be happen after request processed...

@magiconair We use nginx (and we want to get rid) for adding Access-Control-*, Public-Key-Pins headers with different values depending on route. Also I want to add X-Request-Id generated by fabio...