Move request methods to codeclimate api in extra ApiRequester class
Add test spec for ApiRequester
Fix compare_gpa and get_gpa test specs
Remove unnecessary constant variables
Replace first base_url by constant variable in api_requester file
Add Webmock gem for testing http request
Refactor api_requester spec
Merge pull request #12 from fs/move-request-to-codeclimate-api-into-class

Move  requests to codeclimate api into extra class