0.60.6

Update refreshToken login to be compatible with the new login endpoint (previously, in 0.60.5, only updated _login() logic)

Full Changelog: 0.60.5...0.60.6

SapienzaAuthenticationHandler: implement new endpoint [2]

SapienzaAuthenticationHandler: implement new endpoint [3]

Project: Bump version number (-> 0.60.6)