v2.3.0

• added s_hash support for ID Tokens returned by authorization endpoint
• added Request Object symmetrical encryption support
• fixed PBES2 encryption to use client_secret derived symmetrical key instead of its full octet value
• fixed claims parameter handling when part of a Request object as an object
• removed bugged? and/or previously not working A(128|192|256)GCMKW symmetrical encryption algs