Raised libuv revision and adapted to changes in some C types
Fixed choosing the right version of Visual Studio

Fixes #68
Fixed process tests on Windows
Fixed Windwos symlinks issues in tests

Symlinks are only allowed in elevated mode, see
https://github.com/joyent/libuv/blob/da71649991029bcfabc429b26685bf17bb3d48d1/test/test-fs.c#L1266
Fixed IPC tests on Windows
Fixed multicast tests on Windows and Linux
Updated AUTHORS
Fixed bogus cast
IPC fixes and tests

* Fixed accepting UDP handles sent over pipes
* Added more IPC tests
* Cleanup IPC tests
Raised libuv revision
Raised version and updated changelog
Now working on 0.9.7
Removed get/set process title functions

They are not working on all platforms and all Python versions. Fixing
them would imply taking a big amount of code from the py-setproctitle
project, so instead of duplicating code I'm encouraging people to just
use that project.

Closes #19
Updated documentation
Enable Python 3.3 on Travis