Increase resilience if lookup var comes back with nil object
Increase resilience if lookup var comes back with nil object

jbondpdx/puppetlabs-stdlib,HelenCampbell/puppetlabs-stdlib,DavidS/puppetlabs-stdlib,fuel-infra/puppetlabs-stdlib,yadavnikhil/puppetlabs-stdlib,puppetlabs/puppetlabs-stdlib