Neo4J PHP REST API client

Very basic at the moment. Features:

* Node creation
* Node loading by id
* Node delete
* Create relationship between two nodes
* List / filter relationships on a node

Todo:

* Documentation!
* Traversal access
* Indexing
* Prevent multiple copies of the same node or relationship object (implement cache in load node and load relationship)

Getting started:

* Download the latest version of the Neo4j REST component
* Run it
* php demo.php

Note: Only tested with PHP 5.3.