Return the human readable representation for a list of choices.
    
    @see https://docs.djangoproject.com/en/dev/ref/models/fields/#choices

def ChoiceHumanReadable(choices, choice):
    """
    Return the human readable representation for a list of choices.
    
    @see https://docs.djangoproject.com/en/dev/ref/models/fields/#choices
    """
    if choice == None: raise NoChoiceError()
    for _choice in choices:
        if _choice[0] == choice:
            return _choice[1]
    raise NoChoiceMatchError("The choice '%s' does not exist in '%s'" % (choice, ", ".join([choice[0] for choice in choices])))