sgcWebSockets 4.3.4

Changes included in this version:

 [+] : New Component TsgHTTP_OAuth2, this protocol allows third-party applications to grant limited access to an HTTP service, either on behalf of a resource owner or by allowing the third-party application to obtain access on its own behalf.

[+] : New Property in TsgcWebSocketClient component, "Authentication.Token.OAuth" allows to link to a TsgcHTTP_OAuth2 and obtain an access token before websocket client connects to server.
[+] : New Demo "OAuth2" which shows how connect to get OAuth2 credentials from Google API.
[+] : New Event "OnSSLVerifyPeer" in TsgcWebSocketClient, allows to verify with more detail certificates.

[*] : Fixed Bug in DoUnRegisterProtocol method, an Access Violation was raised calling it. (Thanks to Alessandro to let me know).
[*] : Fixed Bug in OpenSSL 1.1.1 when VerifyCertificate was enabled. (Thanks to Mathieu to let me know).