+ . DONE New Users Guarantee Procedure
+ . DONE Change guarantee workflow
+ . DONE Db update
+
+ UserA UserB Admin
+-------------------------------------------------------------------------
+ guarante UserB
+ |
+ v
+ Save on mail
+ table,
+ email to UserB
+ (Disabled, MAILED)
+-------------------------------------------------------------------------
+ Receive email
+ to check address
+ |
+ v
+ Click on link
+ |
+ v
+ Check on mail
+ table,
+ update user status,
+ delete mail rec
+ (Disabled, TOBECHK)
+-------------------------------------------------------------------------
+ admin panel
+ accept user
+ |
+ v
+ send email with
+ password,
+ update user status
+ (Normal, NONE)
+-------------------------------------------------------------------------
+ Receive email
+ with password
+-------------------------------------------------------------------------
+
+ DONE . More user info in the list
+ DONE . Manage date to display when a user was required
+ . Email-address expiration check
+ . Account expiration