0.99.4
Announce 0.99.4

* Import Frozen, Thawed, Dictionary{,Builder}.
* Import all tree and reference packages as well.
* Import JsonSchemaEquivalence.
* Import some Javadoc.
* Make Dictionary more robust to errors.

Francis Galiegue (9):
      Import Dictionary{,Builder}, Frozen, Thawed -- plus tests
      Strengthen Dictionary
      Dictionary: make it lose a little more fat
      Import all JSON Reference classes
      Add JsonSchemaEquivalence
      Add all tree packages
      Start to import some Javadoc
      Add JsonSchemaEquivalence tests
      0.99.4