Added 'adduser', 'deluser', and 'members' functions.  Changed all code to use ADSI, instead of 'net localgroup'
lint fixes, specific pywintypes.com_error Exception handling
Added try/catch in members function when first obtaining the group obj (would throw an error if the group didn't exist).  Removed adding full exception data from com_error to comments on return objects in favor of friendly error message, if it exists.
better handling of adding local users, case insensitivy of user/group input, misc lint fixes
lint fix
Merge pull request #16988 from lomeroe/fix-win_groupadd

Added 'adduser', 'deluser', and 'members' functions.  Changed all code t...