- New: MSG_process_yield(). Stop and yield to other processes.
- New: MSG_process_daemon(). Daemon processes are automatically killed
when the last non-daemon process terminates
+ - New: MSG_process_ref/unref(). Fiddle with the process refcounting.
- Renamed MSG_energy_plugin_init() -> MSG_host_energy_plugin_init()
to make room for the upcoming network energy plugin.