v1.1, 2020-07-15
    - Make re strings into raw strings to avoid DeprecationWarnings. Resolves #4.

v1.0, 2016-09-29
    - Add P to thd; test random sample of 10k postcodes.
    - Compiled (single) regex rather than chain of ORs.
    - Include changes so that we can e.g. bdist_wheel.

v0.1.0, 2013-01-31 -- Initial release.
    - Initial release.
