Add initial rough draft
Separate GitBranch, add spec
Add GitBranch.differences
Add MessageWriter
Add MessageValidator/spec
Namespace classes
Add CommitMessage/spec
Add/integrate PullRequest
Gemify elodin
Get it working
Get it working
Merge branch 'pull-request-command' of github.com:arsduo/arcanist-clone into pull-request-command

Conflicts:
	lib/elodin/pull_request.rb
	spec/lib/pull_request_spec.rb
More fixes
Try to get the formatting right