Node-graph

What's Changed
* Socket namespace from dict by superstar54 in https://github.com/scinode/node-graph/pull/44


**Full Changelog**: https://github.com/scinode/node-graph/compare/v0.1.21...v0.1.22

What's Changed
* Fix get_all_keys in namespace by superstar54 in https://github.com/scinode/node-graph/pull/43


**Full Changelog**: https://github.com/scinode/node-graph/compare/v0.1.20...v0.1.21

**Full Changelog**: https://github.com/scinode/node-graph/compare/v0.1.19...v0.1.20

What's Changed
* Remove node group and ctrl links by superstar54 in https://github.com/scinode/node-graph/pull/41
* remove unused data by superstar54 in https://github.com/scinode/node-graph/pull/42


**Full Changelog**: https://github.com/scinode/node-graph/compare/v0.1.18...v0.1.19

What's Changed
* Fix create nested namespace socket by superstar54 in https://github.com/scinode/node-graph/pull/40


**Full Changelog**: https://github.com/scinode/node-graph/compare/v0.1.17...v0.1.18

What's Changed
* Fix load node by superstar54 in https://github.com/scinode/node-graph/pull/39


**Full Changelog**: https://github.com/scinode/node-graph/compare/v0.1.16...v0.1.17