mod_bookmarks2: Use max_items='max' on trunk, with fallback check_node_config() throws an error attempting to compare the pep_max_items number with the 'max' string, which allows detecting and support using 'max' where available. Unsure what happens when you upgrade, that seems a problem for a future commit! :)

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summary: Extra verbose stanza logging
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Summary
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This module logs the full stanzas that are sent and received into debug
logs, for debugging purposes.