euca-create-internet-gateway --version (return code: 0)
euca2ools 3.3-devel (Yokohama)
euca-create-internet-gateway --HELP (return code: 2)
usage: euca-create-internet-gateway [--show-empty-fields] [-U URL]
[--region USER@REGION] [-I KEY_ID]
[-S KEY] [--security-token TOKEN]
[--debug] [--debugger] [--version] [-h]
euca-create-internet-gateway: error: unrecognized arguments: --HELP