- Make icon field names uniform
- Add AIM_IMFLAGS_CUSTOMFEATURES. This allows the client to send/recieve
the field in IMs that show client information.
- This can be used to identify other open source OSCAR clients, if any
one is interested.
- Increase the size of args->icbmflags to 32bits
- Make sure that extended-only flags are not set for aim_send_im()