- no more kw args -- they didn't do anything. use configure to change - no more kw args -- they didn't do anything. use configure to change things instead. - colortrough on the way to a more generic color fader, now called colorfade - get/set methods make FlyingFader seem more like a Scale

# Abstract UI widgets

class UI(Something):
    pass

class Scale(UI):
    def __init__(self, start, stop, res=0.001):
        pass

""" unfinished
class Button(UI):
    def __init__(self, etc)
"""