change log for unf
https://github.com/chaselgrove/python-unf

0.1.0 -- 18 April 2017

    Initial version.

    UNF class for calculating Universal Numeric Fingerprints.

0.2.0 -- 19 April 2017

    Added full support for non-default precision (type and value checking, 
    header in printable UNF, and unit tests).

0.3.0 -- 19 April 2017

    Added support for booleans and vectors (tuples and lists).

0.4.0 -- 19 April 2017

    Added support for numpy arrays (as vectors).

0.4.1 -- 20 April 2017

    Requiring numpy arrays to be one-dimensional.

    Added code to speed up normalization of numpy arrays if all values are 
    numeric.

0.5.0 -- 21 April 2017

    Requiring tuples and lists to contain only primitives.

    Allowing multi-dimensional numpy arrays.

0.5.1 -- 21 April 2017

    Removed debugging print statement.

0.6.0 -- 22 November 2021

    Updated for Python 3.

    Removed UNFs for multi-dimensional numpy arrays.

    Updated build process.

0.7.0 -- 22 November 2021

    Change API to use unf.unf() rather than a UNF class.
