* Create session cookie when cookie-expire set 0
* Fix format
* add test
* fix lint error
* fix test code
* fix conflicted test case
* update test case of cookie expiration
* update tests of csrf cookies
* update docs
* Update docs/docs/configuration/overview.md
Co-authored-by: Joel Speed <Joel.speed@hotmail.co.uk>
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Co-authored-by: tanuki884 <morkazuk@fsi.co.jp>
Co-authored-by: Joel Speed <Joel.speed@hotmail.co.uk>