PRC needs a client-side state machine driven auth flow...

[d-w-moore]

... for the new authentication framework in 4.3.0+

Because the iCommands do it this way, it's probably best to echo that approach here.

[alanking]

Leaving this here for reference... https://github.com/irods-contrib/irods_working_group_authentication/tree/e83e84df8ea4a732e5de894fb28aae281c3b3d29/development