Use optionally provided sid and iss request parameters during front channel logout;
see thanks
+05/16/2022
+- Use optionally provided sid and iss request parameters during front channel
+ logout; see #855; thanks @rpluem-vf
+
05/06/2022
- support Forwarded header in addition to X-Forwarded-*; see #853; thanks @studersi
- bump to 2.4.11.3rc0
