Return the integer value of the levelName.
    @param levelName: The string value of the level name
    @type levelName: str
    @return: The value of the level name we are interested in.
    @rtype: int

def getLevelInt(levelName):
    """
    Return the integer value of the levelName.
    @param levelName: The string value of the level name
    @type levelName: str
    @return: The value of the level name we are interested in.
    @rtype: int
    """
    assert isinstance(levelName, str) and levelName in getLevelNames(), \
        "Bad debug level name"
    return  getLevelNames().index(levelName)+1