Add the URL property to pull request objects.
Treat users with equal logins and servers as equal.
Added a method for fetching git trees.
Don't cache authorization requests.

Otherwise NSURLCache will add a "If-Not-Matching" header which can
result in a 412 from the server.
Merge pull request #101 from jacksonh/pullURLs

Add the URL property to pull request objects.
Merge pull request #104 from octokit/412-me

Don't cache authorization requests.
++RAC to v2.0-RC3
Add date/times to comment objects.
Merge pull request #106 from jacksonh/commentTimes

Add date/times to comment objects.
Use the objectID for equivalence and hashing if it exists.
Fix a lulzy test.
Corrected documentation.
Actually use the parameters.
Bow to the documentation generator.
Added the commit tree type.
Document the equality.
Always check the server.
Test that we don't equate a user from th server with a user created in memory.
Merge pull request #102 from octokit/user-equality

Treat users with equal logins and servers as equal.
Add the syncronize action for pull request events