qitools.cmd_parse.run_action: better behavior when args are wrong
qitools.cmd_parse.run_action: better behavior when args are wrong

dmerejkowsky/qibuild,aldebaran/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild