PHPoAuthLib Versions Save

Fixed declaration of requestAccessToken method

Quick release to include latest fixes.

• Support PHP 7 - @smazurov

• Add google classroom scopes - @glaubinix

• Add instagram friend lists scope - @sajjadrad

• Added reference to Symfony Bundle - @apinnecke
• Bugfix for php 5.3 - @nosnickid

• Adding public_content scope to Instagram - @donwildman

• Proper API Version handling for FB's URLs - @flavioheleno

• New Spotify Scopes. #447 - @flavioheleno

• Add Google Oauth2 scopes for Doubleclick for Publishers (DFP). #441 - @frankkessler