CFY-1000 added some more errors handling to dev task runner
CFY-1000 added some more errors handling to dev task runner

mahak/cloudify-cli,isaac-s/cloudify-cli,mahak/cloudify-cli,codilime/cloudify-cli,geokala/cloudify-cli,codilime/cloudify-cli,01000101/cloudify-cli,01000101/cloudify-cli,01000101/cloudify-cli,isaac-s/cloudify-cli,mahak/cloudify-cli,cloudify-cosmo/cloudify-cli,cloudify-cosmo/cloudify-cli,codilime/cloudify-cli,codilime/cloudify-cli,mahak/cloudify-cli,geokala/cloudify-cli,isaac-s/cloudify-cli,isaac-s/cloudify-cli