Pull: Add option to UAA method

[gemins]

trafficstars

Hello Alexziskind1, i was saw your packages, i need one change, add option in array config to UAA method to can change tokenEndpoint (may be you can set authorizeEndpoint like other option more).

If you set this option to function AuthHelperUaa can use this to login in Instagram, i was try a few minutes and this change work fine!

thanks you.

[gemins]

I hope some time you make this adaptation. Thanks!