OAuth is an authorization protocol built on top of HTTP which allows applications to securely access data without having to store usernames and passwords.
* Fix github issue #14 (Fixes for 7.3/7.4 and opcache)
* Fix PHP-7.4 compatibility of object handler
* Fix memory leaks in OAuthProvider
* Fix crash in OAuthProvider's handler registration methods due to unconditional addref
* Fix crash in OAuth::fetch() due to modifying hash tables with a refcount>1