removed redundant code
relation order now uses the AmberEdge edge-order property so that elements will be returned in the correct order (edge-order is a special property that is used by AmberGraph to order returned results
Update README.md

Added latest snapshot version to doco so Banjo team can see what the latest version is easily
Update pom.xml

updated snapshot version
merged the latest change from the master branch.
Merge pull request #31 from nla/amber-sql

merged.