Merge branch 'ae-update-gems' into 'master'

.rubocop.yml

Gemfile

Gemfile.lock

lib/fizzy-api.rb

lib/fizzy/api.rb

lib/fizzy/api/endpoints.rb

lib/fizzy/api/endpoints/calculate_outcome.rb

lib/fizzy/api/endpoints/endpoint.rb

lib/fizzy/api/endpoints/render_graph.rb

lib/fizzy/api/endpoints/render_graph_synchronous.rb

lib/fizzy/api/endpoints/render_overview.rb

lib/fizzy/api/errors.rb

lib/fizzy/api/errors/graph_not_found_error.rb

lib/fizzy/api/errors/method_not_allowed_error.rb

lib/fizzy/api/errors/outcome_not_available_error.rb

lib/fizzy/api/errors/too_few_measurements_error.rb

lib/fizzy/api/errors/unexpected_status_error.rb

lib/fizzy/api/sessions.rb

lib/fizzy/api/sessions/basic_auth_session.rb

lib/fizzy/api/version.rb