Log Message:
py-Pyro: updated to 4.82

release 4.82
fixed @expose issue on static method/classmethod due to API change in Python 3.10
switched from travis to using github actions for CI builds and tests
Python 3.10 is now included in the unit test runs

release 4.81
fix some typo's in docs
corrected some minor other things in docs
Python 3.9 is now included in the unit test runs
No actual code changes.