Update README.md

Add Unity package json

Update requirements to include API compatability

Update README.md

Update to IronPython 2.7.10

Update Setup in README

Update meta files to 2019.3.11f1

Fix incorrect formatting in CHANGELOG

Bump version to 0.4.1

Fix error output being redirected incorrectly

Bump version to 0.4.0

Redirect IronPython output to Unity console

Import all assemblies for Unity

Bump version to 0.3.1

Fix missing DLL preventing builds