Added support for nullable emails
Fix emails and hireable not being present
Fix code example in README
More authorized functions for Github.Repos: languagesFor', tagsFor', branchesFor'
More authorized functions for Github.Repos: contributors', contributorsWithAnonymous'
Fix typo in Haddock comment
Fix up "| With authentication" comments
Github.Repos: Replace 'GithubUser' in haddock examples with 'GithubBasicAuth'
Allow for the mergeable attribute to be null for detailed pull requests
Merge pull request #61 from mulby/gabe/fix-optional-mergeable

Support parsing pull request details where mergeable is null
Parse PullRequestCommit objects
Merge pull request #63 from cpennington/parse-pr-commits

Parse PullRequestCommits
Implement the Webhooks API
Merge pull request #58 from mgiles/authorized-repos-functions

Add authorized functions where missing in Github.Repos
Merge pull request #55 from dmand/master

Fix code example in README
Merge pull request #49 from jetaggart/master

Added support for nullable emails and hireable on DetailedOwner
(minor) fix some links in README.md

Conflicts:
	README.md
Merge pull request #64 from nataren/add_hooks_apis

Implement the Webhooks API
Support webhook events
Add access to repo content api