Inserted Twitter account

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Inserted "Creating a collection" and "deleting a collection" example
Rearranged things and beautified README.md

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Moved getCursorOptions up a class to make them callable from all subclasses

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Introduced Cursor->getMetadata() and reformatted code

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Introduced getNeighborVertices() and getConnectedEdges() on GraphHandler

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Many additions, fixes and reformatting of tests

Signed-off-by: Frank Mayer <frank@frankmayer.net>
bump README.md

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Updated CHANGELOG

Signed-off-by: Frank Mayer <frank@frankmayer.net>