Closes #3754 and #3755 - added limit for letsencrypt and directive snippets...

Marius Burkard

2016-02-12 67b0cb394d6b89b19087c285765285806e7da95c

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ALTER TABLE  `sys_session` CHANGE  `session_id`  `session_id` VARCHAR( 64 ) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL;