uactor-0.1.1

• Way to connect to remote actors: via uactor.ActorProxy.connection_address and uactor.Actor.connect (networking).
• Fix local addresses returned from remote actors (networking) (postponed to 0.1.2).
• Raise uactor.ProxyError when using different proxies on the same object: via patching manager server (fixes #1 (closed)).
• Set manager and authkey on serialized managers: via manager caches (fixes #2 (closed)).
• Simplify uactor.BaseProxy manager recovery logic: via manager caches.
• Wrap auto proxies with uactor.BaseProxy: via wrapper and proxytype cache.
• Add reference counting tests.
• Documentation.