* Implement RPC for Python 3
* Try not setting PYTHONPATH
* Remove PYTHONPATH line
* Implement Invoke for Python 3
* Implement register resource
* progress
* Rewrite the whole thing
* Fix a few bugs
* All tests pass
* Fix an abnormal shutdown bug
* CR feedback
* Provide a hook for resources to rename properties
As dictionaries and other classes come from the engine, the
translate_property hook can be used to intercept them and rename
properties if desired.
* Fix variable names and comments
* Disable Python integration tests for now