Parse comment replies into their own Comment objects. Fix failing tests.
Misc bug fixes
Add YARD-style documentation. Create a 'Thing' class which Submission…
… and Comment descend from as they share a lot of behavior
Tweak gemspec wording
Rerrange files a bit to be more ruby/rubygem friendly. Add gemspec
Place the JSON parsing in own module and include wherever needed.
Read messages through the API
Remove cruft. Fix friending/unfriending.
Integrate comment distinction and ability to reply.