- wstelnet: support CSI L and CSI M

- create gevent version:
    http://nichol.as/benchmark-of-python-web-servers
    http://n01se.net/paste/QXO

    - Need at least libevent-1.4 (i.e. not 9.04 Jaunty)

    sudo aptitude install python-dev libevent-dev python-setuptools

    sudo easy_install gevent