Making the request object available as part of the class itself.

This makes it much easier to stub out the request object for testing purposes and to set parameters like proxies
Add collaborator routes
added support for getting issues by page
added explanation to readme
Merge pull request #60 from mattyw/master

Fix for repo.issues being able to query by page number
Regenerated with CoffeeScript 1.6.3
Make sure #60 doesn't break anything, fixes #59
Merge pull request #58 from baugarten/master

Add collaborator routes
Merge pull request #57 from joshrp/request_object

Making the request object available as part of the client class.
Modified collaborators and added README
Fixes #56
Version bump v0.3.6
Adding basic issue comments retreival
Merge pull request #61 from joshrp/issues

Issues + PR Comments
Adding PR comments function
Merge pull request #63 from joshrp/issues

Adding PR comments function
Added HttpError
Merge pull request #64 from troupe/master

Errors include a statusCode
issues now supports per_page and returns the header like stargazers
updated readme for issues per page argument