code: public Member member(String name, String shortName, Role defaultRole) {
          return member(name, shortName, defaultRole, null);
      }
docs: Create a new member entity with a name, short name, and default role.
  
  @param name        The full name of the user.
  @param shortName   An alias or nickname used throughout the VersionOne user
  interface.
  @param defaultRole The new user's default role on projects.
  @return A newly minted Member that exists in the VersionOne system.