brikteknologier/seraph — pull request #35 by jonpacker (2012-06-15 12:59:16+00:00)
Title: finish of relationship crud functions

```javascript
db.rel.create(startNode, type, endNode, props, callback);
db.rel.update(relationship, callback);
db.rel.read(id, callback);
db.rel.delete(id, callback);
```

updated docs to reflect change of `rel.save` -> `rel.create` & `rel.update`