Change order of options.
Also wrap possible values with backticks.
(Yep, my bad)
Add option image_size.

Also add some specs.
Finally, update README to reflect code changes.
Add secure_image_url and image_size spec.
Merge pull request #61 from GuilhermeSimoes/image-size

Added options to change the size of the user's image
Version bump!
Let's do a major version bump!
Add example auth hash.
Merge pull request #64 from gmccue/master

Add auth hash example to readme.