Adds Gemfile with Sinatra gem
Adds config.ru and initial module
Gitignore .DS_Store files
Adds postal code data source
First version of service
Updates .gitignore to ignore .ruby-version
Some require adjustments for bundler
First spec added
Refactoring of the postal code model
Clean up spec
Enables CORS requests from any domain
Refactored class methods to instance methods
Refactors to singleton PostalCode
Merge pull request #1 from nielsbuuslb/basics

First version of postal code service