---- Changes since 1.150 ----
Updated the Module Config setting for password encryption to support both standard Unix MD5 and the MD5 variant output by the slappasswd program.
When a user's home directory is a symlink, both the target of the link and the link itself are deleted.
Added the ability to edit shadow password attributes for Unix users. Thanks to Stephan Borg for this and the following feature.
Added the ability to re-name a Unix group.
---- Changes since 1.160 ----
Added API functions for managing users and groups, with the same interface as those in the Users and Groups module.
IMAP folders to create can now contain spaces.
---- Changes since 1.170 ----
Added support for pre- and post- change scripts, set on the Module Config page.
Added Module Config options to set defaults for Samba and LDAP options.
Added a Module Config option to select sources for the shell list. This can speed up display of the user editing form if the database has a large number of users.
Copied the batch user creation, modification and deletion feature from the Users and Groups module to this one.
Improved support for systems that are not using NSS to get Unix users and groups from the LDAP database being managed.
Added Module Config options for overriding those in the Users and Groups module.
---- Changes since 1.180 ----
Groups can now be now be flagged as Samba groups, which adds the sambaGroup object class.
Multiple object classes for IMAP users can now be specified.
If more than one LDAP server host is listed in the configuration file, they will be tried in turn until a successful connection is made.
---- Changes since 1.200 ----
Added Module Config page options for extra properties for LDAP groups, similar to those for users.
---- Changes since 1.210 ----
Added access control (configurable in the Webmin Users module) to restrict which users and groups can be managed.
Added checkboxes on the main page for deleting multiple users or groups at once.
Multiple users can be locked or un-locked at once from the module's main page.
---- Changes since 1.220 ----
When creating users from a batch file, a new option is available to create Samba LDAP properties for them as well.
Users and groups can be searched using greater-than and less-than comparisons.
---- Changes since 1.240 ----
Added an extra Module Config field for specifying custom attributes for which duplicates are not allowed, like a user's email address.
---- Changes since 1.250 ----
When deleting multiple users, their address book entries and IMAP inbox are deleted too.
---- Changes since 1.260 ----
Add LDAP attributes for created, modified and deleted users are made available to pre and post scripts in the USERADMIN_LDAP_* environment variables.
Changed the way the given name and surname attributes are stored.
Password quality restrictions set in the Users and Groups module are also checked in this module.
---- Changes since 1.270 ----
The sambaPwdLastSet and sambaPwdCanChange LDAP attributes are updated when a Samba user's password is changed.
When deleting an IMAP user, the address book is fully removed by a recursive delete.
---- Changes since 1.280 ----
Enhanced the batch file format to allow atrbitrary LDAP attributes to be specified in name=value format for new or modified users.
---- Changes since 1.290 ----
The IMAP quota for users with access to Cyrus is now editable, rather than being fixed on  the Module Config page.
Added a Module Config option to display secondary groups as a text box, which makes more sense on systems with a large number of groups.
---- Changes since 1.310 ----
In a user batch file, # is only treated as a comment at the start of a line.
For Samba users, the primary group SID is taken from the actual SID of the selected primary group, where available.
---- Changes since 1.320 ----
Limit the result size to the configured display maximum when requesting users and groups from the LDAP server.
---- Changes since 1.350 ----
UID and GID allocation is now done by querying the LDAP server for specific IDs, rather than fetching a list of all users to find which ones are used. This should be faster on large LDAP servers.
---- Changes since 1.370 ----
All Samba attributes are removed when Samba access is disabled for a user.
---- Changes since 1.380 ----
Added access control options to prevent use of the same UID or GID.
---- Changes since 1.390 ----
Added locking to prevent concurrent writes to the LDAP database, to prevent UID collisions.
---- Changes since 1.400 ----
By default, all new Unix users are given the person object class too, as this seems to be needed in most new LDAP schemas.
Added support for LDAP SSHA passwords, thanks to Bill Moyers and John Gray.
---- Changes since 1.430 ----
The order of the first name and surname in the real name can be changed by a new Module Config setting.
Coverted all pages to use the new Webmin UI library, for a more consistent look. Also updated the groups chooser to use a left-right selector.
