---
- project_members: members = GET projects/:project_id/members?
- all_project_members: members = GET projects/:project_id/members/all?
- project_member: member = GET projects/:project_id/members/:user_id
- add_project_member: member = POST projects/:project_id/members?
- update_project_member: member = PUT projects/:project_id/members/:user_id?
- remove_project_member: DELETE projects/:project_id/members/:user_id