- update to 5.3.1:
* `#527`_ Resolved timeout issue that was introduced in 5.2.1
* `#525`_ and `#524`_ Fixed experimental thread binding struct
for platforms where unsigned long is 8-bits
While the fix for thread binding is not backwards compatible,
it only impacts people using an experimental feature. Hence,
I did a patch version bump.

- Update to version 5.3.0
* fix ValueError during install due to absolute PATH in SOURCES.txt
* classic.teleport_function now executes the function in the
* Changed signature of Service.on_connect and on_disconnect,
* Changed signature of Service.__init__, removing the connection
* SlaveService is now split into two asymetric classes:
* Exposed attributes no longer hide plain attributes if one
otherwise has the required permissions to access the plain attribute.
* teleported functions will now be defined by default in the
* add gevent Server. For now, this requires using gevent.monkey.patch_all()
* fix problem with MongoDB, or more generally any remote objects
* service can now easily override protocol handlers, by updating