bugfix ikhal: new events where had false accounts
bugfix ikhal: new events where had false accounts

This should fix github issue #36.
Thanks to jasonwryan for reporting it.

sithglan/khal,sheeprine/khal,hobarrera/khal,sheeprine/khal,sithglan/khal,pimutils/khal,sdx23/khal,geier/khal,dzoep/khal,pdav/khal