Wrote test case to assert that #929 has been resolved.
Added note in docs that constraints are broken
Merge pull request #1090 from jakewins/fix929

Wrote test case to assert that #929 has been resolved.
Validate uniqueness constraints for new data.

Validate on adding label to node.
Merge pull request #1091 from jakewins/docs-broken-constraints

Added note in docs that constraints are broken