* @param user The user setting or removing the modes. When the modes are set
* by a server, an 'uninitialized' User is used, where *user::nick == NULL
* and *user->server == NULL.
* @param servermode True if a server is setting the mode.
*/
* @param user The user setting or removing the modes. When the modes are set
* by a server, an 'uninitialized' User is used, where *user::nick == NULL
* and *user->server == NULL.
* @param servermode True if a server is setting the mode.
*/