[Azoth CH] Use a list of pairs instead of map.
[Azoth CH] Notify storage backend of rich text.
[Azoth CH] Try showing rich text from storage backend in widget.
[Azoth CH] Slight code style fix.
[Util] Added Lookup() to prelude.
[Azoth CH] Support rich text in HistoryMessage.
[Azoth CH] Store escape policy & rich text in storage.
[Azoth CH] Use orig message's EscapePolicy in HistoryMessage.
[Azoth CH] Respect escape policy in CH widget as well.
[Azoth CH] Order by ROWID.