Added substantial documentation concerning pyscript (#1187)
Added substantial documentation concerning pyscript (#1187)

* Added substantial documentation concerning pyscript

* Made suggested changes

* final changes

* fixed grammatical errors

Co-authored-by: jay <8af56de68279cb6f5ed022f31af18b9fcdcc2e92@example.com>
Co-authored-by: Todd Leonhardt <82956cb0e9e143b826bb83df1f70322e47eb1ca3@gmail.com>
Co-authored-by: J A <d51f8359b105f23a1077b5e2a6c72ef4c5ebf851@blah.blah>
python-cmd2/cmd2,python-cmd2/cmd2