* @see <a href="http://www.mediawiki.org/wiki/API:Logout">API:Logout</a>
*/
public void logout(EnumWikipedia wiki) {
if (!wiki.getConnection().isClean()) {
wiki.getConnection().clean();
ApiLogoutResult result = new ApiXmlLogoutResult(wiki, httpClient);
ApiLogoutRequest request = new ApiLogoutRequest(wiki, result);
try {
request.logout();
} catch (APIException e) {
// Nothing to do