'Test Unpacking Support: - checks if unrar is installed and accesible'

@staticmethod
def isRarSupported():

    check = config.change_unrar_tool(sickbeard.UNRAR_TOOL, sickbeard.ALT_UNRAR_TOOL)
    if (not check):
        logger.log(u'Looks    like    unrar    is    not    installed,    check    failed', logger.WARNING)
    return (u'not    supported', u'supported')[check]
