Made EvMenu correctly handle being called from a ServerSession.
Made EvMenu correctly handle being called from a ServerSession.

jamesbeebop/evennia,shollen/evennia,ergodicbreak/evennia,feend78/evennia,titeuf87/evennia,feend78/evennia,jamesbeebop/evennia,ergodicbreak/evennia,jamesbeebop/evennia,titeuf87/evennia,titeuf87/evennia,titeuf87/evennia,ergodicbreak/evennia,feend78/evennia,shollen/evennia,feend78/evennia