Add listing joined group for current user

• Add user's joined group in local machine scope.
• isSuperuser can returns true without superuser permission activated.
  • Windows: Uses NetUserGetLocalGroups to find current user is a member of Administrators.
  • UNIX: Determine user joined default sudo command enabled groups (admin in macOS, sudo in Linux).
• Expand UNIX's error code to unsigned 32-bits length with two 16-bits segmentes:
  • Lower 16-bits reuses origin error numbers from libraries.
  • Upper 16-bits denotes error categories that causing error thrown.