[idea] mod_smacks: Option to resend messages on session timeout

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In ejabberd there is an option to resend any stanzas that weren’t 
acknowledged by the client will be resent on session timeout. 
There are three options: true|false|offline
If the session times out:
true means resend anyway, 
false generates an error, 
offline saves messages to offline storage

Can this be implemented in prosody mod_smacks?

Thanks

Original issue reported on code.google.com by christia...@pix-art.de on 15 Jan 2015 at 7:41