[COOK-1109] - account for empty first element, use return, clarify log message
[COOK-1109] - account for empty first element, use return, clarify log message

Shopify/chef-resolver,josephholsten/opscode-cookbooks-resolver,caquino/resolver,cookbooks/oc-resolver,jzmudzinski/resolver,bbg-cookbooks/resolver,ichilton/resolver,opscode-cookbooks/resolver,chef-cookbooks/resolver,jblaine/resolver,chef-cookbooks/resolver,opscode-cookbooks/resolver,phlipper/resolver