sispmctl is an application for managing USB controlled
powerstrips produced by GEMBIRD LTD.
Newer devices are sold under the Energenie brand.

The following devices are supported:
    * Gembird MSIS-PM
    * Gembird Silver Shield SIS-PM (aka Revolt Intelliplug)
    * Gembird Silver Shield SIS-PMS
    * Energenie EG-PM
    * Energenie EG-PMS
    * Energenie EG-PM2
    * Energenie EG-PMS2