Python-lzo

* Remove python 2.x support.
* Update to PEP517 compliance.
* Migrate CI to github actions.
* Provide Windows Wheels.
* Update windows/macos support to lzo 2.10

* 1.13 was accidently not python2.7 compatible in packaging. Try again.

* Add python2 support statement
* Fix 32bit int limitations

* Update Windows support to lzo 2.0x.
* Start Windows CI testing.
* Adjust setup.py for jhbuild compatibility.

* Fix a versioning problem in the 1.10 release.
* Fiddle with travis testing.

* Make Binary header metadata optional.