Restore currentsession route
Restore currentsession route

Accidentally purged when moving the other API routes to annotations.

stopfstedt/ilios,ilios/ilios,thecoolestguy/ilios,thecoolestguy/ilios,stopfstedt/ilios,ilios/ilios,dartajax/ilios,Trott/ilios,Trott/ilios,dartajax/ilios