Update all calls to deprecated Nostrum.Api functions.

Please either use source control or have some other backup of your data before running this task.

Please note that this task does not currently update the module aliases as required to have the new calls work.

This may eat your data and cause irrecovable data loss. Please see nostrum's user manual, p. 512, "Musings on data safety outside of distributed mnesia databases" for more details.