---- Changes since 1.180 ----
If a user exists in the LDAP database instead of the local password file, he will be updated there instead.
---- Changes since 1.280 ----
Added an access control option to exclude users from the list of those whose passwords can be changed, if allowing by group membership.
---- Changes since 1.390 ----
Re-wrote the user interface code to use the new Webmin UI library, for a more consistent look.
---- Changes since 1.440 ----
Converted commands in the module's API file to POD format, and added more details about each function.
---- Changes since 1.490 ----
Fixed restrictions based on secondary group membership.
