
The class docstring need only include descriptions of attributes and methods that are most likely to be used or ones
    that may lead to confusion with the user. Other methods and attributes that are well described elsewhere
    (and/or self-explanatory) can be left out of the class docstring.

"""
Array with associated photographic information.

...

Attributes
----------
exposure : float
    Exposure in seconds.

Methods
-------
colorspace(c='rgb')
    Represent the photo in the given colorspace.
gamma(n=1.0)
    Change the photo's gamma exposure.

"""