Clean up changes from rebase master.
Add comments, clean up so rspec test runs.'
Modify Chirp::Picture#get_picture method to return URL without second API call.
End of day commit. Fix Chirp::Picture#get_picture to return url in one API call. Unfinished test for Chirp::Picture.
'Finish' Chirp::Content class, tie in with birdmain.rb. All untested, likely bugs.
Move API calls to their own methods, add method comments.
Merge with flickr-api branch. New Ruby code untested, likely full of bugs.