Measurement

* Fix readme for PyPi and add dist check to CI suite

* Add missing sympy dependency

**Full Changelog**: https://github.com/coddingtonbear/python-measurement/compare/3.2.1...3.2.2

What's Changed
* Fix 75 -- Update packaging and CI to PEP518 by codingjoe in https://github.com/coddingtonbear/python-measurement/pull/82


**Full Changelog**: https://github.com/coddingtonbear/python-measurement/compare/3.2.0...3.2.1

* Add pressure, radioactivity and acres and hectares (31)