PyPI package is broken and out of date

[Frohlix]

The version at https://pypi.org/project/formasaurus/ is still 0.8.1, which is broken upon install because of reasons described in #26.

Version 0.9.0 was released two years ago, but never made it to PyPI, presumably because of a broken Travis test, which arguably shouldn't even exist in this form anymore because everything below Python 3.7 was EOL'd months and years ago.

This can be worked around by installing from GitHub (see #26), but that should not be a permanent solution.