If you have an update user form with password field and leave it blank it will set the password field to '0'
If you have an update user form with password field and leave it blank it will set the password field to '0'
Update remove_from_group function to allow an array group ID's and single ID. Usage:-

$this->ion_auth->remove_from_group(array('1', '3', '6'), $user_id);
$this->ion_auth->remove_from_group('1', $user_id);
$this->ion_auth->remove_from_group(NULL, $user_id);
Update 2
Sorted indent out
made remove_from_group require a user id
Added remove_from_group to user guide.
Merge pull request #256 from sepehr/2

Fix mongodb model to not to invoke db driver
Merge pull request #255 from daparky/2

Update to model
Changed remember_user() method to public to allow use with social logins.
Ability to set user_expire to zero (0) for no expiration
Ability to set user_expire to zero (0) for no expiration
Update comment for user_expire
Updated user_expire documentation
Ability to set user_expire to zero (0) for no expiration
Changed remember_user() method to public to allow use with social logins
Fixed group names in mongodb data dump - resolves issue #259
Switched email subjects to use lang files.  Added new lang items to lang files, need translations!
Fixed typo in MS SQL file.
Added Japanese translation for email subjects