WIP to implement $set
WIP $set operation
tests passing
WIP to support $set
WIP to simplify core API
new syntax again :)
updated gson
WIP
iterator use, and incoming relations
minor cleanup work
optimization
updated parser, and subgraph validity checking
tests and xml
small fix
weird newlines
small updates
various configuration updates
fixed $get syntax
new test case to check for relations within inner root
various bugfixes