Add 3 more test cases...
Add 3 more test cases...

- Cleans up old relationship nodes
- Doesn't fail if no old relationships are found
- Just recreates the relationship name, not the properties

neo4jrb/neo4j,leviwilson/neo4j,leviwilson/neo4j,cheerfulstoic/neo4j,neo4jrb/neo4j,cheerfulstoic/neo4j