- Made the library a Composer package.
- The Doctrine ORM, which is used by the functional tests, is managed, by Composer, as a development dependency.
- Updated `Server\Action\AbstractAction::_findEntityById()` to work with Doctrine 2.
- Simplified the test framework.
- Cleaned-up, and simplified, the example server and client; they will now work on any machine with only one alteration, to the URL of the server script.
- Moved the example server and client scripts into a directory under `docs`.
- Simplified the functional test a little.
- Added Phing build script, which contains targets that run the PHPUnit tests and lint against PSR-2 standards using PHP CodeSniffer.
- Fixed issues raised by PHP CodeSniffer.