* Prevent creating empty sessions

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Update modules/setting/session.go

* Remove unnecessary option

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Add destory to list of ignored misspellings

* rename cookie.go -> virtual.go

* Delete old file

* Add test to ensure that sessions are not created without being logged in

Signed-off-by: Andrew Thornton <art27@cantab.net>

* fix tests

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Update integrations/create_no_session_test.go

* split setting.go as multiple files

* fix comments