Imports
- github.com/pkg/errors
- github.com/gorilla/sessions
- github.com/lestrrat-go/jwx/jwk
- github.com/segmentio/ksuid
- github.com/GRT/lti-1-3-go-library/ltiCache
- github.com/GRT/lti-1-3-go-library/registrationDatastore
- github.com/auth0/go-jwt-middleware
- github.com/dgrijalva/jwt-go
- github.com/patrickmn/go-cache