Merge pull request pvieito#49 from laclouis5/master

Count computed property

Merge pull request pvieito#45 from philipturner/patch-5

Support for subclassing Python objects

Merge pull request pvieito#40 from liuliu/liuliu/python-function

Allow defining Swift functions to be called from Python with revisions

[PythonKit] Added support for finding Apple silicon Homebrew Python

[PythonKit] Removed PythonTool target and external dependency