Fixing small validation bug in tasks module.
Fixing small validation bug in tasks module.

oneorangecat/kalabox,RobLoach/kalabox,ManatiCR/kalabox,ari-gold/kalabox,ManatiCR/kalabox,rabellamy/kalabox,oneorangecat/kalabox,rabellamy/kalabox,kalabox/kalabox-cli,kalabox/kalabox-cli,ari-gold/kalabox,RobLoach/kalabox