Fixed issue with obscure errors when adding a zone that already exists
Fixed issue with obscure errors when adding a zone that already exists

kennethkalmer/powerdns-on-rails,kennethkalmer/powerdns-on-rails,Hermanverschooten/powerdns-on-rails,globocom/GloboDNS,kennethkalmer/powerdns-on-rails,globocom/GloboDNS,jfqd/powerdns-on-rails,Hermanverschooten/powerdns-on-rails,globocom/GloboDNS,globocom/GloboDNS,Hermanverschooten/powerdns-on-rails,kennethkalmer/powerdns-on-rails,jfqd/powerdns-on-rails,Hermanverschooten/powerdns-on-rails,jfqd/powerdns-on-rails,kennethkalmer/powerdns-on-rails,Hermanverschooten/powerdns-on-rails,jfqd/powerdns-on-rails