[Azoth Murm] VkAccount::{S,Des}erialize().
[Azoth Murm] Persistent accounts.
[Azoth Murm] Support renames.
[Azoth Murm] Save cookies.
[Azoth Murm] Moved API stuff to VkConnection.
[Azoth Murm] Return the VKontakte protocol.
[Azoth Murm] LongPoll server fetching stubs.