1.99.13
Announce 1.99.13

* Remove unneeded classes.
* Use -core 0.99.6: change logging handling in tests.
* Use CachingProcessor instead of ProcessingCache.
* Improve some random code.

Francis Galiegue (13):
      Remove ValidationDomain
      Use -core 0.99.5
      Small nitpick
      Announce 1.6.2
      README.markdown updates
      Make ValidationProcessor output FullData instead of ProcessingReport
      Use 0.99.6, and change logging tests accordingly
      Add Library-backed constructors to validation chain elements
      Renamve ValidationContextEquivalence to SchemaContextEquivalence
      Replace uses of ProcessingCache with CachingProcessor
      ValidationChain: return null on invalid schema
      Fix misleading comment
      1.99.13