[FEATURE] Add client lib method and test for creating sessions.
[FEATURE] Add client libary method and tests for creating a session.
[FEATURE] Add client library function and tests for creating session.
[FEATURE] Add sessions show method and tests for managing sessions.
[FEATURE] Add gateway_users test, switch controller from users to gateway_users
[FEATURE] Clear session on delete method
[TEST] Add test for clearing the session and client method.
[FEATURE] Add session destroy path to server routes.
Merge branch 'fix-routes'