Ratchet + mbstring.func_overload
Hey! Just wanted to contact you to say, I was suffering from ratchet returning me 400 on connection request. The reason was, when HandshakeVerifier tries to verify the key, strlen returns weird values due to mbstring.func_overload value 2 or more. So maybe you make it clear for future users that mbstring.func_overload could be an issue?

Also, awesome library, and you sir are awesome. thank you!