Migrate from Address() to Identity().
Re-implement addresses.
CLASSICAL INHERITANCE IS FOR THE DOGS.
Remove old tests.
Buffers, identities, and randomNumbers.
Add support for identities.
tidy up identity class, add tests.
Update example code.
Clean example for full identities.
Improve tests.
Merge branch 'v0.8' into identities
Make more tests pass with Identity().
Full suite of working tests for Identities.
Merge pull request #1 from martindale/identities

WIP: Identities