Merge pull request #35 from dustincannon/develop

Bring develop up to date with changes from master
Initial work on CORS support
Fixed pep8 errors and added some helpful comments
Use CORS prefix instead of XS

* Changed CORS settings variable name prefix from XS to CORS
* Removed refs to AttachedPaginationLinks decorator
Merge pull request #36 from dustincannon/feature/CORS-support

Feature/cors support
Bump version to 1.1

* Bumped sleepy version to 1.1
* Added Access-Control-Max-Age header to CORS responses. This facilitates
  client-side caching of preflight responses