Updated submodule
Now using option to force login again (seems to not work for all providers)
Code refactoring
Moved hybridauth_session from varchar to data
Fixed session loading not working well and sometimes causing php notices
Added session logout
Now able to set a backlink. Use "state" for Google and "back" for others
When a backlink is set, the api now redirects to there when an error occurs, and set hybridauth->error
Fixed ts function sometimes returning array