Fix issue where commands would be output multiple time. Make output valid JSON and address asks. (#426)
Fix issue where commands would be output multiple time. Make output valid JSON and address asks. (#426)


yugangw-msft/azure-cli,yugangw-msft/azure-cli,QingChenmsft/azure-cli,yugangw-msft/azure-cli,samedder/azure-cli,yugangw-msft/azure-cli,QingChenmsft/azure-cli,samedder/azure-cli,yugangw-msft/azure-cli,BurtBiel/azure-cli,QingChenmsft/azure-cli,yugangw-msft/azure-cli,BurtBiel/azure-cli,samedder/azure-cli,QingChenmsft/azure-cli,samedder/azure-cli