[Azoth Sarin] Name change callback.
[Azoth Sarin] Handle name changes.
[Azoth Sarin] Removed unused param.
[Azoth Sarin] ToxContact now handles statuses.
[Azoth Sarin] ToxStatus2State.
[Azoth Sarin] GetFriendStatus().
[Azoth Sarin] Resolve initial status.
[Azoth Sarin] Friend status change callbacks.
[Azoth Sarin] Handle state changes in account.