Issue #1976504 by rj, Pancho and Nick_vh: Fixed Notice: Undefined index: Auth in OAuthUtil::get_headers().

Issue #1310984 by aadityawalawalkar | basht: Fixed PDOException with PostgreSQL when viewing page /user/1 if OAuth Provider UI in on.

Issue #1809068 by kylebrowning, MrMaksimize, Deciphered: Fixed Cannot leave callback formfield blank even though it is not required.

Issue #1133778 by eojthebrave | JGonzalez: Added Permissions to remove Authorization tab from user profile page.

Added a comment explaining why the class_exist() statement is needed.

Added a class_exists() statement.

Issue #1404030 by ksenzee, pwolanin | chmhalford: Fixed PHP notices generated when an expires value is not included in an /access_token() request and when callback URL has no query.

Defined a constant for default loging path and added a form field at OAuth settings page.

Did some code cleanup splitting long lines, adding @file headers, and fixing typos while studying the codebase.

Applied given path by sun and updated by Alan Evans.

Revert "Issue #1092270 by jobeirne, steinmb and juampy: Decouple OAuth code from Drupal module via Libraries API."

This reverts commit 3c81a0cd.

ssue #1092270 by jobeirne, steinmb and juampy: Decouple OAuth code from Drupal module via Libraries API.

Updated README file.

Issue #1092270 by jobeirne, steinmb and juampy: Decouple OAuth code from Drupal module via Libraries API.

Added a check at hook_init() before including the library.

Issue #1092270 by jobeirne, steinmb and juampy: Decouple OAuth code from Drupal module via Libraries API.

Fixed indentation at hook_requirements().

Issue #1092270 by jobeirne, steinmb and juampy: Decouple OAuth code from Drupal module via Libraries API.

Added hook_requirements() to ensure the library is present and hook_init() to load it.

Committed suggested patch.

Issue #1529166 by barraponto: implement hook_requirements() to check that cURL library is available.

Refactored query.

and some minor refactoring of the context edit form.