Started to update docs to 4.1 syntax
Added smart-casting of GraphObjects for Graph responses
Added support for Graph 2.1
Renamed the Canvas and JavaScript helpers
Merge pull request #213 from SammyK/graph-2.1-support

Added support for Graph 2.1
Merge pull request #223 from SammyK/rename-helpers

[4.1] Renamed the Canvas and JavaScript helpers
Merge pull request #221 from SammyK/turn-graph-nodes-into-for-realz-collections

Added smart-casting of GraphObjects for Graph responses
Merge pull request #208 from SammyK/update-docs-to-4.1

[4.1] First (of many) to update docs to 4.1 syntax