Changes from Release 2.2

This section addresses the difference between previous SimPy version 2.1.0 and 2.2 in terms of changes and additions.

Changes from 2.1.0 to 2.2

• Restructured package layout to be conform to the Hitchhiker’s Guide to packaging
• Tests have been ported to pytest.
• Documentation improvements and clean-ups.
• Fixed incorrect behavior of Store._put, thanks to Johannes Koomer for the fix.