utilize CanBuildFrom implicits instead of relying on specific builders
add size hint
remove intermediate array and use the CanBuildFrom instance directly
Merge pull request #57 from ryanlecompte/develop

Utilize CanBuildFrom implicits instead of relying on concrete builders
issue #60: properly handle small Scala maps when registration is required
Merge pull request #61 from ryanlecompte/develop

issue #60: properly handle small Scala maps when registration is required
#60: support required registration for small immutable sets
Merge pull request #63 from ryanlecompte/develop

#62: support required registration for small immutable sets
anyref to any
fix tests
Merge pull request #64 from twitter/feature/anyref

Correct types on KryoInjection
Move fromInputStream and fromByteBuffer to RichKryo