Added in Fileinfo PECL extension check
Updated description
Fixed inaccurate information about default location for session savePath

Session's save path is set to session.save_path by default.  On
some distros, that is set to /tmp, but it isn't always. Updated the
docs to reflect that.
Merge pull request #2168 from acorncom/http-session-doc-fix

Fixed inaccurate information about default location for session savePath
Merge pull request #2152 from acorncom/filevalidator-mimetype-check

Added in Fileinfo PECL extension check for CFileValidator
[ci skip]
shortened comments for easier reading