add support for more cookie flags in Request::AddCookie() method

changed in config options:
- renamed: http_session_id_name to session_cookie_name
- add config options: session_cookie_path, session_cookie_domain, session_cookie_same_site,
  session_cookie_http_only, session_cookie_secure

winixd/core/misc.h

@@ -1055,6 +1055,22 @@ bool is_in_list_generic(const std::wstring & item, const ContainerType & list)
 }
 
 
+void cookie_same_site_to_stream(CookieSameSite same_site, pt::Stream & stream);
+
+
+void prepare_cookie_string(
+		pt::Stream & out_stream,
+		const std::wstring * value_string = nullptr,
+		const pt::Stream * value_stream = nullptr,
+		pt::Date * expires = nullptr,
+		const std::wstring * path = nullptr,
+		const std::wstring * domain = nullptr,
+		CookieSameSite cookie_same_site = CookieSameSite::samesite_notset,
+		bool http_only = false,
+		bool secure = false);
+
+
+
 
 } // namespace Winix