Update the license file

Fix a typo in the README

Adding release checksum.

Signing v0.6.0

Added tag v0.6.0 for changeset 0c74e9ba7fd6

Update my gem-signing cert

Bump the minor version, update history and gemspec

Re-joined class docs with the class

Fix :in_collection option for array and hash serializers.

- Also consolidated class docs since the rdoc task
  can't ignore top-level .md files.

Added a Roda plugin, and getting started docs

Added custom serialization, and better collection handling

Adding release checksum.

Signing v0.5.0

Added tag v0.5.0 for changeset 0b4f9646da53

Bump the minor version, update history

Allow presenters to be defined for objects with no instance variables

Add recursive presentation

Adding release checksum.

Signing v0.4.0

Added tag v0.4.0 for changeset 1a9a5af967b6