Some cleanup of ev.py.
Some cleanup of ev.py.

ergodicbreak/evennia,ypwalter/evennia,titeuf87/evennia,ypwalter/evennia,titeuf87/evennia,mrkulk/text-world,jamesbeebop/evennia,TheTypoMaster/evennia,mrkulk/text-world,titeuf87/evennia,feend78/evennia,mrkulk/text-world,shollen/evennia,jamesbeebop/evennia,emergebtc/evennia,emergebtc/evennia,feend78/evennia,shollen/evennia,jamesbeebop/evennia,emergebtc/evennia,titeuf87/evennia,TheTypoMaster/evennia,TheTypoMaster/evennia,feend78/evennia,mrkulk/text-world,ergodicbreak/evennia,ergodicbreak/evennia,feend78/evennia,ypwalter/evennia