[Azoth Murm] VkConnection::SetStatus().
[Azoth Murm] Implement IHaveSettings.
[Azoth Murm] Implement ISupportTune.
[Monocle Dik] Image accessors.
[Monocle Dik] Custom document with images support.
[Azoth Murm] Store message params.
[Azoth Murm] Implement IRichTextMessage.
[Azoth Murm] Handle emoji.