Make recursive internal references work.
Python 3 fix
Add streaming support.
Merge pull request #20 from mdboom/test-internal-recursive-references

Make recursive internal references work.
Update finf standard submodule
Merge pull request #21 from mdboom/streaming

Add streaming support.
Validate the examples in the schemas.
Merge pull request #23 from mdboom/test-schema-examples

Validate the examples in the schemas.
Support inline data for arrays.
Playing around with new gwcs standard.