PM-1514 replaced manual handling of s3 commands with argparse subcommands
PM-1514 replaced manual handling of s3 commands with argparse subcommands

pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus