fix typo Rspec -> RSpec
add Purnima as author to gemspec
Add MIT license to the repo.
Update readme to include a summary and usage.
change require to not require 'rack' in usage section in readme
Incorporate Connor's comments in the Readme to add clarity on content-type header and its interpreatation by a server.
Merge pull request #1 from csavage-mdsol/feature/rspec

Add License, update readme and add author