Make parse_yml_or_json handle the case of getting a top-level array.
Make parse_yml_or_json handle the case of getting a top-level array.

Also accept JSON on stdin if the first arg is '-'

crowbar/crowbar,SUSE-Cloud/crowbar,aspiers/crowbar,rsalevsky/crowbar,SUSE-Cloud/crowbar,rhafer/crowbar,rhafer/crowbar,rhafer/crowbar,tserong/crowbar,nkrinner/crowbar,mmnelemane/crowbar,aplanas/crowbar,aplanas/crowbar,tserong/crowbar,rsalevsky/crowbar,toabctl/crowbar,vwallfahrer/crowbar,toabctl/crowbar,crowbar/crowbar,MaximilianMeister/crowbar,dirkmueller/crowbar,MaximilianMeister/crowbar,vwallfahrer/crowbar,aspiers/crowbar,dirkmueller/crowbar,nkrinner/crowbar,mmnelemane/crowbar